| 2025-10-29 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | First hard freeze. Min 19 deg F. |
| 2025-10-28 | 7:00 AM | 0.02 | 0.0 | NA | 0.0 | NA | | RW- 1515-1530 MDT 27 Oct 2025. Precip .02". |
| 2025-10-27 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-10-26 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-10-25 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-10-24 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-10-23 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-10-22 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-10-21 | 7:00 AM | T | 0.0 | NA | 0.0 | NA | | A few small drops observed in the air here at 0830 MDT 20 Oct 2025, blow-over precip in downslope from the foothills. |
| 2025-10-20 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-10-19 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-10-18 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-10-17 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-10-16 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-10-15 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-10-14 | 7:00 AM | T | 0.0 | NA | 0.0 | NA | | R- ~0100 MDT 14 Oct 2025. Precip .01". |
| 2025-10-13 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-10-12 | 7:00 AM | 0.03 | 0.0 | NA | 0.0 | NA | | R- began ~1330 MDT 11 Oct 2025, ended 1515 MDT. Precip ".03. |
| 2025-10-11 | 7:00 AM | 0.01 | 0.0 | NA | 0.0 | NA | | R- 1730-1830 MDT 10 Oct 2025. Precip .01". |
| 2025-10-10 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-10-09 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-10-08 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-10-07 | 7:00 AM | 0.03 | 0.0 | NA | 0.0 | NA | | Drizzle was falling at the start of the observing period at 0800 MDT 06 Sep 2025. Drizzle ended at 1130 MDT. Precip 0.03". |
| 2025-10-06 | 8:00 AM | 0.50 | 0.0 | NA | 0.0 | NA | | R--, small droplets, began 1700 MDT 05 Oct 2025, finally enough to wet pavement at 1800 MDT. Steady R- thereafter, reaching 0.23” by 2100 MDT. R- continued til 0040 MDT 06 Oct, resumed 0210-0250 MDT, then again 0630-0710 MDT. At 0800 MDT, obs time, light drizzle was falling. Total precip so far 0.50" |
| 2025-10-05 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-10-04 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-10-03 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-10-02 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-10-01 | 7:00 AM | T | 0.0 | NA | 0.0 | NA | | A surprise brief RW-- ~2200 MDT 30 Sep 2025, with stars visible thru breaks in clouds. |
| 2025-09-30 | 7:00 AM | 0.27 | 0.0 | NA | 0.0 | NA | | TRW- began 1430 MDT 29 Sep 2025 with RW 1445-1450 MDT, then R-. Precip 0.27" ended by 1615 MDT. |
| 2025-09-29 | 7:00 AM | 0.03 | 0.0 | NA | 0.0 | NA | | RW- ~2130-2145 MDT 28 Sep 2025. Precip .03". |
| 2025-09-28 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-09-27 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-09-26 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-09-25 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-09-24 | 7:00 AM | 0.93 | 0.0 | NA | 0.0 | NA | | Steady R-, falling at the beginning of the obs period, lasted until 2045 MDT 23 Sep 2025, for a total of .82" since 0700 MDT 23 Sep. RW- 2255-2330 MDT. Precip +.07".
Another RW- 0220-0320 MDT 24 Sep. Precip +.04" for a 423-h total of 0.93". |
| 2025-09-23 | 7:00 AM | 0.29 | 0.0 | NA | 0.0 | NA | | RW- (precip .04") 1645-1730 MDT 22 Sep 2025. R- began 0240 MDT 23 Sep, continued thru obs time at 0700 MDT. Precip +.25". |
| 2025-09-22 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-09-21 | 7:00 AM | 0.04 | 0.0 | NA | 0.0 | NA | | RW- 1825-1835 MDT 20 Sep 2025 (precip .02") and again 2150-2200 MDT (precip +.02"). |
| 2025-09-20 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-09-19 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-09-18 | 7:00 AM | 0.04 | 0.0 | NA | 0.0 | NA | | Brief, light sprinkles ~1400 and 1600 MDT 17 Sep 2025. Trace precip. RW- 1720-1740 MDT (precip .03"), then another RW- ~1800 MDT. Precip + .01". |
| 2025-09-17 | 7:00 AM | 0.28 | 0.0 | NA | 0.0 | NA | | RW-- ~1230 MDT 16 Aug 2025. Trace precip. RW- 1515-1530 MDT. Precip .04". Brief RW-- ~1800 MDT Trace precip. TRW- 2055-2130 MDT. Precip +.24". 24-h total 0.28". |
| 2025-09-16 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-09-15 | 7:00 AM | T | 0.0 | NA | 0.0 | NA | | A few sprinkles ~0800 MDT 14 Sep 2025. Trace precip |
| 2025-09-14 | 7:00 AM | 0.56 | 0.0 | NA | 0.0 | NA | | TRW 1420-1435 MDT 13 Sep 2025. Precip .10". TRW+ (radar reflectivity ~47 dBZ) 1455-1505 MDT. Precip +.36". Little thunder during second cell but definitely heavy rain. Two more RW-: ~1615 MDT (+.06") and 1830 MDT (+.04). 24-h total 0.56". |
| 2025-09-13 | 7:00 AM | 0.08 | 0.0 | NA | 0.0 | NA | | RW- 1405-1425 MDT on 12 Sep 2025. Precip .08". |
| 2025-09-12 | 7:00 AM | 0.14 | 0.0 | NA | 0.0 | NA | | TRW passed across south Boulder and overhead from 1315-1330 MDT 11 Sep 2025. Precip .14". |
| 2025-09-11 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-09-10 | 7:00 AM | 0.03 | 0.0 | NA | 0.0 | NA | | Thunder heard 1450-1510 MDT 09 Sep 2025, with RW- 1515-1525 MDT. Precip .02". Another RW- ~2330 MDT likely but not observed. Precip +.01". |
| 2025-09-09 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-09-08 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-09-07 | 7:00 AM | T | 0.0 | NA | 0.0 | NA | | Light sprinkles ~1830 MDT 06 Seo 2025. Trace precip. |
| 2025-09-06 | 7:00 AM | T | 0.0 | NA | 0.0 | NA | | RW-- 1415-1430 MDT and again ~1520 MDT 05 Sep 2025. Trace precip. |
| 2025-09-05 | 7:00 AM | T | 0.0 | NA | 0.0 | NA | | A few drops of rain fell between 1500 and 1530 MDT 04 Sep 2025. Trace precip. |
| 2025-09-04 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-09-03 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-09-02 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-09-01 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-08-31 | 7:00 AM | 0.07 | 0.0 | NA | NA | NA | | TRW- from cell moving quickly from 330°, 1620-1650 MDT 30 Aug 2025. Precip .07". The center of this cell moved just to the W, then to the S of our neighborhood. |
| 2025-08-30 | 7:00 AM | 0.17 | NA | NA | NA | NA | | RW- 1700-1805 MDT 29 Aug 2025. Precip .15". Brief RW- ~0300 MDT 30 Aug. Precip +.02". |
| 2025-08-29 | 7:00 AM | 0.51 | NA | NA | NA | NA | | A small TRW passed over S Boulder 1730-1810 MDT 27 Aug 2025 bringing ~0.45” in 30 min (total .51”) and dropping temperature from low 80s to 61°. |
| 2025-08-28 | 7:00 AM | 0.04 | NA | NA | NA | NA | | RW- 1850-1855 MDT 27 Aug 2025. Precip .04”. |
| 2025-08-27 | 7:00 AM | 0.67 | 0.0 | NA | NA | NA | | TRW+ began over S Boulder at 1605 MDT. ~0.4” of rain in first 20 min but not much lightning. Cells moved from 250°. Rain slowly tapered off and ended by 1920 MDT. Storm total .67”. |
| 2025-08-26 | 7:00 AM | 0.17 | NA | NA | NA | NA | | TRW- 1400-1500 MDT 25 Aug 2025. Precip .16". Just one rumble of thunder early. Brief RW- ~2100 MDT. Precip +.01". |
| 2025-08-25 | 7:00 AM | 0.03 | NA | NA | NA | NA | | TRW- 1520-1535 MDT 24 Aug 2025. Precip .01". RW- 2340-2355 MDT. Precip +.02". |
| 2025-08-24 | 7:00 AM | 0.08 | NA | NA | NA | NA | | R- or DZ 0700-0800 MDT 23 Aug 2025. Precip .07". TRW- (two rumbles of thunder) and .01" precip, between 1500 and 1600 MDT. |
| 2025-08-23 | 7:00 AM | T | NA | NA | NA | NA | | A few drops of rain at 1930 MDT 23 Aug 2025. Trace precip. RW-- 2200-2300 MDT from dissipating showers, moving ESE. Trace precip. |
| 2025-08-22 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-08-21 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-08-20 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-08-19 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-08-18 | 7:00 AM | 0.21 | NA | NA | NA | NA | | A small cluster of showers moved from 240° over south Boulder 0130-0230 MDT 18 Aug 2025. Precip 0.21", the most since July 16. It has been very dry since July 16. |
| 2025-08-17 | 7:00 AM | T | NA | NA | NA | NA | | Rain sprinkles fell from 1515-1530 MDT on 16 Aug 2025. Trace precip. |
| 2025-08-16 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-08-15 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-08-14 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-08-13 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-08-12 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-08-11 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-08-10 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-08-09 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-08-08 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-08-07 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-08-06 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-08-05 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-08-04 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-08-03 | 7:00 AM | 0.02 | NA | NA | NA | NA | | Brief RW-- 1540 MDT 02 Aug 2025 (trace precip). TRW- ~2030 MDT from small cells moving east. Precip .02" |
| 2025-08-02 | 7:00 AM | T | NA | NA | NA | NA | | Thunder and sprinkles likely ~1645 MDT, 01 Aug 25. Trace precip. |
| 2025-08-01 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-07-31 | 7:00 AM | T | NA | NA | NA | NA | | RW-- ~1655 MDT, hardly enough to dampen the pavement. Trace precip. |
| 2025-07-30 | 7:00 AM | T | NA | NA | NA | NA | | A few small drops of rain in the afternoon between 1400 and 1600 MDT 29 Jul 2025. (Trace precip). |
| 2025-07-29 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-07-28 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-07-27 | 7:00 AM | 0.01 | NA | NA | NA | NA | | A few sprinkles 1200-1300 MDT 26 Jul 2025. Trace precip. TRW- ~1530-1540 MDT. Precip .01". |
| 2025-07-26 | 7:00 AM | T | NA | NA | NA | NA | | A few drops of rain ~1600 MDT 25 Jul 2025 and brief south winds 14G22, with a rumble or two of thunder from a TRW- that passed to our south and southeast. Trace precip. |
| 2025-07-25 | 7:00 AM | T | NA | NA | NA | NA | | Light sprinkles 1330-1430 MDT 24 Jul 2025. Trace precip. |
| 2025-07-24 | 7:00 AM | 0.02 | NA | NA | NA | NA | | Occasional rumbles of thunder and sprinkles 1500-1530 MDT and RW- 1530-1545 MDT. Precip .02". Light sprinkles ~1700 MDT. Trace precip. |
| 2025-07-23 | 7:00 AM | T | 0.0 | NA | NA | NA | | RW-- 1510-1535 MDT 22 Jul 2025. Trace precip. More sprinkles 1830-1930 MDT. Trace precip. |
| 2025-07-22 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-07-21 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-07-20 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-07-19 | 7:00 AM | 0.16 | 0.0 | NA | NA | NA | | TRW- 1535-1545 MDT 18 Jul 2025. Precip .06". TRW- 1750-1815 MDT. Precip +.10". |
| 2025-07-18 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-07-17 | 7:00 AM | 0.45 | NA | NA | NA | NA | | TRW- 1440-1505 MDT 16 Jul 2025. Precip .06". TRW 2100-2140 MDT (+.22"), then rain tapering off and ending by 2315 MDT (+.17"). 24-h total precip .45". |
| 2025-07-16 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-07-15 | 7:00 AM | T | NA | NA | NA | NA | | TRW-- ~ 1500 MDT 14 Jul 2025. Trace precip. |
| 2025-07-14 | 7:00 AM | 0.01 | NA | NA | NA | NA | | TRW- 2230-2300 MDT 13 Jul 2025. Precip .01”. |
| 2025-07-13 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-07-12 | 7:00 AM | 0.24 | NA | NA | NA | NA | | TRW- began at 1805 MDT 11 Jul 2025, then brief TRWA at 1822 MDT (1/4” hail but not much of it). Rain ended at 1840 MDT. Precip .13". Brief RW- 1905 MDT. Precip +.01". TRW- 2045-2105 MDT. Precip +.09". Final RW- ~2230 MDT. Precip +.01". 24-h total 0.24". |
| 2025-07-11 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-07-10 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-07-09 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-07-08 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-07-07 | 7:00 AM | 0.02 | NA | NA | NA | NA | | TRW- 1755-1815 MDT 06 Jul 2025. Precip .02". |
| 2025-07-06 | 7:00 AM | 0.19 | NA | NA | NA | NA | | A small thunderstorm brought a little pea-sized hail to our neighborhood 1530-1540 MDT 05 Jul 2025. Precip .10". RW 1915-1930 MDT. Precip +.09”. |
| 2025-07-05 | 7:00 AM | 0.03 | NA | NA | NA | NA | | RW-- ~1120 MDT 04 Jul 2025. Trace precip. TRW- 1335-1400 MDT. Precip .03". |
| 2025-07-04 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-07-03 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-07-02 | 7:00 AM | T | NA | NA | NA | NA | | Sprinkles 1515-1530 01 Jul 2025. Trace precip. Another round of sprinkles from 1800-1830 MDT with low rumbles of thunder. Trace precip. |
| 2025-07-01 | 7:00 AM | 0.00 | 0.0 | NA | NA | NA | | |
| 2025-06-30 | 7:00 AM | 0.01 | 0.0 | NA | 0.0 | NA | | RW- 1515-1545 MDT 29 Jun 2025. Precip .01". |
| 2025-06-29 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-06-28 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-06-27 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-06-26 | 7:00 AM | T | 0.0 | NA | 0.0 | NA | | A few sprinkles from 1200-1230 MDT 25 Jun 2025. Trace precip. Darkening skies east after 1700 MDT and rumbling thunder during most of the dinner hour. A trace of rain fell here in TRW-- 1945-2015 MDT. |
| 2025-06-25 | 7:00 AM | 0.07 | 0.0 | NA | 0.0 | NA | | RW- brought .04” from 1130-1230 MDT 24 Jun 2025.TRW- 1700-1730 MDT added +.03". |
| 2025-06-24 | 7:00 AM | 0.09 | 0.0 | NA | 0.0 | NA | | Occasional RW- with a few peals of thunder 1800-2100 MDT 23 Jun 2025. Precip .09". |
| 2025-06-23 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-06-22 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-06-21 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-06-20 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-06-19 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-06-18 | 7:00 AM | 0.14 | 0.0 | NA | 0.0 | NA | | A storm developed only a mile or two W of Boulder and brought TRW+A, A¼-½, including one stone the same shape and size as a peppermint lifesaver (donut shaped), which I photographed. It appeared that three or four graupel pellets had frozen together, leaving a center hole. Not enough hail fell to damage my spinach and lettuce. The storm lasted 1323-1328 MDT 17 Jun 2025. Precip .14". |
| 2025-06-17 | 7:00 AM | 0.01 | NA | NA | NA | NA | | RW- here between 0100 and 0200 MDT 17 Jun 2025 brought .01" precip. RW-- ~0415 MDT. Trace precip. |
| 2025-06-16 | 7:00 AM | T | 0.0 | NA | 0.0 | NA | | A few drops of rain ~1800 MDT 15 Jun 2025. Trace precip. |
| 2025-06-15 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-06-14 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-06-13 | 7:00 AM | 0.22 | 0.0 | NA | 0.0 | NA | | RW 1300-1340 MDT 12 Jun 2025. Precip .19". TRW- 1455-1505 MDT. Precip +.03. Large drops both times. RW-- 1915-1945 MDT (trace precip) with nice partial rainbow. |
| 2025-06-12 | 7:00 AM | 0.04 | 0.0 | NA | 0.0 | NA | | TRW- 1420 to 1435 MDT with very little wind. Precip .04". Light sprinkles ~1900 MDT (Trace precip). |
| 2025-06-11 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-06-10 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-06-09 | 7:00 AM | T | 0.0 | NA | 0.0 | NA | | RW-- 1730-1800 MDT 08 Jun 2025 and again at 1900 MDT. Trace precip. |
| 2025-06-08 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-06-07 | 7:00 AM | 0.03 | 0.0 | NA | 0.0 | NA | | Three RW- during the day, each delivering .01”. The first,
from 0715-0745 MDT 07 Jun 2025, the second 1230-1240 MDT, and the third 1900-1930 MDT. Partial clearing in between. |
| 2025-06-06 | 7:00 AM | 0.02 | 0.0 | NA | 0.0 | NA | | TRW- 1320-1330 MDT 05 Jun 2025 (two rumbles of thunder). Precip .01". Very light rain began at 1920 MDT and ended before midnight. Precip +.01". |
| 2025-06-05 | 7:00 AM | 0.02 | 0.0 | NA | 0.0 | NA | | RW- began 1920 MDT 04 Jun 2025, ended by 2100 MDT. Precip .01". |
| 2025-06-04 | 7:00 AM | 0.14 | 0.0 | NA | 0.0 | NA | | DZ and R- from 1100-1230 MDT 03 Jun 2025. Precip .02". More R- 1605-1915 MDT. A surprise was a couple of minutes of RW with large drops at 1840 MDT. Precip +.07". After that, occasional DRZL or brief RW- until 0400L, when all precip ended. Precip +.05". |
| 2025-06-03 | 7:00 AM | 1.11 | 0.0 | NA | 0.0 | NA | | Heavy rain began ~2300 MDT 02 Jun 2025 and continued until 0130 MDT 03 Jun, then quickly tapered off, ending by 0430 MDT. Precip 1.11". |
| 2025-06-02 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-06-01 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-05-31 | 7:00 AM | T | 0.0 | NA | 0.0 | NA | | Two showers, moved from 330° during the afternoon of 30 May 2025. The first, ~1500 MDTL, caused thunder but missed us to the E. The second was a 50 dBZ thunderstorm over the Divide. It caused thunder here but no rain. It passed to the W. Finally, an RW-- ~1945 MDT produced a trace of rain. It featured a double rainbow to the E. |
| 2025-05-30 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-05-29 | 7:00 AM | 0.33 | 0.0 | NA | 0.0 | NA | | TRW- 1215-1300 MDT 28 May 2025 MDT. Precip .02". R- began at 2000 MDT, became R at 2100 MDT, then R-, tapering off and ending by 0015 MDT 29 May Precip +.31”. |
| 2025-05-28 | 7:00 AM | 0.02 | 0.0 | NA | 0.0 | NA | | RW- 1430-1500 MDT 27 May 2025. Precip .01". RW-1800-1830 MDT. Precip +.01". |
| 2025-05-27 | 7:00 AM | 0.21 | 0.0 | NA | 0.0 | NA | | R- 0830-0930 MDT 26 May 2025. Precip .02". Thunder rumbled at 1500 MDT, then TRW- 1515 to 1540 MDT. Precip +.17". Brief RW-- 1645 MDT. Trace precip. Another RW- 1915-2100 MDT. Precip +.02". 24-h total 0.20".
|
| 2025-05-26 | 7:00 AM | 0.43 | 0.0 | NA | 0.0 | NA | | Thunder in clouds rumbled occasionally during the afternoon of 25 May 2025. Drizzle began ~1530 MDT. Only .01" precip til 1700 MDT when R- picked up. +.05" fell in the next two hours, then a lull. Moderate rain fell from 2130-2245 MDT (+.32"), then R- or drizzle til 0100 MDT 26 May. Precip +.05. 24-h total 0.42". |
| 2025-05-25 | 7:00 AM | 0.20 | 0.0 | NA | 0.0 | NA | | Drizzle began 1630 MDT 24 May 2025 and continued thru the night. .09" precip by 2130 MDT and +.11" more before drizzle ended at 0640 MDT on 25 May. |
| 2025-05-24 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-05-23 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-05-22 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-05-21 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-05-20 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-05-19 | 7:00 AM | 0.22 | 0.0 | NA | 0.0 | NA | | TRW (radar reflectivity 50 dBZ) broke at 1510 MDT 18 May 2025, moving NE. Not sure if small hail fell. 0.18” precip by 1530 MDT, then an additional .04" before rain ended at 1605 MDT |
| 2025-05-18 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-05-17 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-05-16 | 7:00 AM | T | 0.0 | NA | 0.0 | NA | | A few drops of rain at 1810 MDT 15 May 2025, a surprise because sky overhead looked clear. |
| 2025-05-15 | 7:00 AM | 0.29 | 0.0 | NA | 0.0 | NA | | Thunder heard here starting at 1440 MDT 14 May 2025. TRW- began ~1500 MDT with sudden wind shift to the west at 15G25 mph. Dark skies thru 1700 MDT. Occasional lightning in cloud continued til 1645 MDT. Rain ended ~1715 MDT. Precip .29". |
| 2025-05-14 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-05-13 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-05-12 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-05-11 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-05-10 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-05-09 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-05-08 | 7:00 AM | 0.28 | 0.0 | NA | 0.0 | NA | | RW- 0940-0955 MDT 07 May 2025. Radar echoes moving from ENE. Precip .07". RW from 1100-1330 MDT brought +.21”. |
| 2025-05-07 | 7:00 AM | 1.32 | 0.0 | NA | 0.0 | NA | | Drizzle or light rain 0700-0800 MDT 07 May 2025. Precip .01". A dark morning. R-, occasionally R, began 0915 MDT with radar echoes moving from ESE. Mostly moderate rain 1000-1330 MDT. Precip +.56". R- 1330 to 1730 MDT added +.18". More R- 2200-2400 MDT. Precip +.03". R 0130-0230 MDT 07 May 2025, then R- til obs time at 0700 MDT, when rain ended . Precip +.54". 24-h total 1.32". |
| 2025-05-06 | 7:00 AM | 0.06 | 0.0 | NA | 0.0 | NA | | Thunder 1330-1345 MDT on 05 May 2025, and a brief TRWA (BB-size hail ~1345 MDT) brought .06" rain with large drops. |
| 2025-05-05 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-05-04 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-05-03 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-05-02 | 7:00 AM | 0.13 | 0.0 | NA | 0.0 | NA | | Brief RW-- ~1300 MDT 01 May 2025. Trace precip. Brief RW- ~1600 MDT. Precip +.01”. RW- 1815-1845 MDT. Precip +.07". More light showers before 2200 MDT. Precip +.05". |
| 2025-05-01 | 7:00 AM | 0.23 | 0.0 | NA | 0.0 | NA | | RW- 1925-2015 MDT and again 2130-2350 MDT 30 Apr 2025. Precip 0.14”. More RW- 0130-0500 MDT 01 May 2025. Precip +.09”. |
| 2025-04-30 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-04-29 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-04-28 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-04-27 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-04-26 | 7:00 AM | 0.12 | 0.0 | NA | 0.0 | NA | | Drizzle falling at the start of the observing period, continued unabated all day 25 April 2025, punctuated with periods of light rain. Precip ended 2300 MDT 25 April 2025. |
| 2025-04-25 | 7:00 AM | 0.08 | 0.0 | NA | 0.0 | NA | | Drizzle or R- began ~2300 MDT 24 Apr 2025. Precip .03” by 2400 MDT. Drizzle or light rain nearly continuous thru obs time, 0700 MDT 25 Apr. Precip since midnight +0.05" |
| 2025-04-24 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-04-23 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-04-22 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-04-21 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-04-20 | 7:00 AM | 0.00 | 0.0 | NA | T | NA | | Even with light winds and a maximum temperature only in the mid 40s on 19 April, the spring sun still melted most of the 7" snow cover between early morning and late afternoon. Only 20% of ground was covered in open areas by 4:00 p.m. |
| 2025-04-19 | 7:00 AM | 0.46 | 5.5 | NA | 7.0 | NA | | S- in progress at start of observing period. S- or S-- during the morning with little acc, small crystals or pellets. Snowfall picked up after 1330 MDT 18 Apr 2025. S 3/4 1345 thru 1600 MDT with larger flakes. At 1625 MDT, 32°, S 1/2, wind nearly calm, 7” acc on snowboard, 8” on grass. Streets and sidewalks still only wet. Accumulating snow probably stopped ~1830 MDT, but small, rimed pellets were still mixed in with S--. All snow ended by 2400 MDT. New snowfall since 1625 MDT estimated at 1.5”. Max accumulation estimated at 9.0” ~1900 MDT. Precip since 0700 18 Apr 0.46”. |
| 2025-04-18 | 7:00 AM | 0.43 | 4.0 | NA | 4.0 | NA | | R- began 1845 MDT 17 Apr 2025 with falling temperatures. By 2100 MDT, with temperature at 36°, R- changed to S-. Precip .02" before changeover. Snow band passed over south Boulder 2115-2210 MDT. Ground white at 2210 MDT with estimated 0.6” accumulation. Light freezing drizzle after that probably thru 2400 MDT. Light or very light freezing drizzle and/or snow 0000 thru 0500 MDT, then S- thru obs time at 0700 MDT. At 0700 MDT, S- continues, 4.0" snow accumulation, storm total precip so far 0.43". |
| 2025-04-17 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-04-16 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-04-15 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-04-14 | 7:00 AM | 0.24 | T | NA | T | NA | | R- began ~1840 MDT 13 Apr 2025, continued til 2000 MDT (precip .02"). R- resumed 2245 MDT with occasional lightning in the area. Precip +.06" thru 2400 MDT as R- continued. R- changed to S- at 0345 MDT 14 Apr, by which time temperature had fallen to 33°. S- ended ~0500 MDT. Precip since 0000 MDT 0.16". 24-h total 0.24". Trace accumulation of snow. |
| 2025-04-13 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-04-12 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-04-11 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-04-10 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-04-09 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-04-08 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-04-07 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-04-06 | 7:00 AM | T | 0.0 | NA | 0.0 | NA | | S-- was falling at start of observing period, ended by 1000 MDT 05 Apr 2025. Trace precip, no accumulation. |
| 2025-04-05 | 7:00 AM | 0.13 | 1.0 | NA | 1.0 | NA | | A shower of small snow pellets began at 1130 MDT 04 Apr 2025. Only a few hundredths in the gauge at 1600 MDT as very light fall of snow pellets continued, sometimes mixed with drizzle. At 2000 MDT gauge emptied as very light fall of snow pellets continued. Precip .09" and snow accumulation 0.5”. Precip continued intermittently, light or very light, thru the night. At obs time, a few rimed crystals in the air. 1.0" of snow on the ground with 0.04" precip since 2000 MDT 04 Apr. |
| 2025-04-04 | 7:00 AM | 0.04 | NA | NA | NA | NA | | Light drizzle began 1800 MDT 03 Apr 2025, becoming R- at 1900 MDT and ending 2100 MDT. Precip .04" |
| 2025-04-03 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-04-02 | 7:00 AM | T | 0.0 | NA | 0.0 | NA | | A few drops of rain 1750 MDT 01 Apr 2025. Trace precip. RW--, then S-- possible ~0015 MDT 02 Apr but not observed. Trace precip. No accumulation |
| 2025-04-01 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-03-31 | 7:00 AM | 0.02 | 0.0 | NA | 0.0 | NA | | Drizzle falling at the start of the observing period, ending at 0900 MDT 30 Mar 2025. |
| 2025-03-30 | 7:00 AM | 1.58 | 0.0 | NA | 0.0 | NA | | RW- 1520-1540 MDT 29 Mar 2025. Precip .04". Lightning in clouds noted at 1645 MDT with RW beginning. Pea-size very likely fell between 1700 and 1730 MDT, observed from a few miles away but not at home. Multiple lightning strokes and loud thunder during these 30 min. My recording rainguage measured 0.40” precip between 1645 and 1710 MDT. Moderate rain continued thru the evening as temperature fell. Rain and snow mix at 2140 MDT with 1.37" precip measured in CoCoRAHS gauge since 1645 MDT. Precip changed back to rain before any accumulation could occur. Rain continued thru obs time, with an additional 0.17" measured, bringing the 24-h total to 1.58" |
| 2025-03-29 | 7:00 AM | 0.38 | 0.0 | NA | 0.0 | NA | | Occasional RW-- 2215 – 2400 MDT 28 Mar 2025. Only a trace precip before 2400 MDT. Measurable rain began very close to 0000 MDT 29 Mar. Moderate rain from 0100-0200L, ending 0345L. Precip 0.38" |
| 2025-03-28 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-03-27 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-03-26 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-03-25 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-03-24 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-03-23 | 7:00 AM | T | 0.0 | NA | 0.0 | NA | | Mountain clouds in westerly flow drifted overhead after 1700 MDT 22 Mar 2025, with occasional RW--, small droplets, thru 2030 MDT. Trace precip. |
| 2025-03-22 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-03-21 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-03-20 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-03-19 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-03-18 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-03-17 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-03-16 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-03-15 | 7:00 AM | T | 0.0 | NA | 0.0 | NA | | At 0800 MDT 14 Mar 2025, a band of dissipating showers moved off the foothills from Boulder to Broomfield with brief strong winds driven by evaporative cooling. Brief sprinkles delivered a trace of precip. |
| 2025-03-14 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-03-13 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-03-12 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-03-11 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-03-10 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-03-09 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-03-08 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-03-07 | 7:00 AM | 0.09 | T | NA | T | NA | | RW-- 1500-1510 MST 06 Mar 2025 (trace). RW- began 1745
MST with a few pea-size graupel mixed in and with temperature in the low 40s. Precip ended 1915 MST. Precip 0.09". |
| 2025-03-06 | 7:00 AM | 0.06 | 0.0 | NA | 0.0 | NA | | R- began ~0030 MDT 06 Mar 2025 and continued, sometimes
R--, until ~0300 MDT. Precip .06”. |
| 2025-03-05 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-03-04 | 7:00 AM | 0.12 | 0.0 | NA | 0.0 | NA | | TRW- began ~1600 MST 03 Mar 2025 with a few rumbles of thunder. RW- ended 1950 MST. Precip 0.11". Another RW- ~2330 MST added +.01". |
| 2025-03-03 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-03-02 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-03-01 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-02-28 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-02-27 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-02-26 | 7:00 AM | T | 0.0 | NA | 0.0 | NA | | RW-- 1315-1335 MDT, 1515 MDT, 1645 MDT, and 1800 MDT on 25 Feb 2025. Only a trace precip all day. |
| 2025-02-25 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-02-24 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | All snow melted by afternoon 23 Feb 2025. |
| 2025-02-23 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | About 2" of snow remains in shaded areas |
| 2025-02-22 | 7:00 AM | 0.00 | 0.0 | NA | 2.5 | NA | | 2.5" of crusty snow remains in open areas at obs time. |
| 2025-02-21 | 7:00 AM | 0.17 | 3.3 | NA | 5.5 | NA | | S- began ~1845 MST 20 Feb 2025. By 2130 MST, S3/4, estimated 2” of new snow on deck rails. S- with visibility 2½ to 5 miles, 0000 thru 0700 MST 21 Feb, when it ended. 3.3” new snow with a water content of 0.17” and total on the ground of 5.5” at obs time. |
| 2025-02-20 | 7:00 AM | 0.00 | 0.0 | NA | 3.0 | NA | | 3.0" of snow on open ground at obs time. |
| 2025-02-19 | 7:00 AM | 0.02 | 0.4 | NA | 4.5 | NA | | Light or very light Snow frequently during the day, 18 Feb 2025. Very difficult to pin down start and end times, but 24-h totals ending at 0700 MST 19 Feb were new accumulation of 0.4" of snow with a water content of 0.02". 4.5" of snow on open ground at obs time. |
| 2025-02-18 | 7:00 AM | 0.09 | 3.1 | NA | 4.3 | NA | | A dusting of snow over the noon hour 17 Feb 2025, ending by 1300 MST with brief onset of dense fog, about 1/8 mile. A few flakes ~2000 MST, enough for another dusting. Visibility 1¼ to 2½ miles thru late evening with fog and very low overcast. Light NE breeze. S-1-2 from 2230 MST 17 Feb thru at least 0100 MST 18 Feb. Then mostly S-- til 0500 MST. At obs time, 24-h new snowfall 3.1" with a water content of 0.09" for a snow-liquid water ratio > 30:1 Total snow depth on open ground 4.3". |
| 2025-02-17 | 7:00 AM | 0.00 | 0.0 | NA | 1.5 | NA | | 1.5" of snow left on open ground at 0700 MST 17 Feb 2025. |
| 2025-02-16 | 7:00 AM | 0.22 | 3.0 | NA | 3.0 | NA | | S- began 1115 MST 15 Feb 2025, continued til 1515 MST. At 1515 MST, 24°, 1.8” snow on snowboard with moisture content of 0.16”. More SW- began 1605 MST, continued until 1830 MST11:15, then becoming quite light and ending at 2100 MST. Accumulation since 1605 MST +1.2”, with water content of +.06”. |
| 2025-02-15 | 7:00 AM | T | 0.0 | NA | T | NA | | All snow on open ground melted by mid afternoon 14 Feb 2025. RW-- 1830-1900 MST. Trace precip. Patchy snow remained in well shaded areas at obs time |
| 2025-02-14 | 7:00 AM | 0.00 | 0.0 | NA | 1.5 | NA | | 1.5" of snow remained on open ground at obs time. |
| 2025-02-13 | 7:00 AM | 0.00 | 0.0 | NA | 2.0 | NA | | 2.0" remained on open ground at obs time. |
| 2025-02-12 | 7:00 AM | 0.14 | 1.9 | NA | 2.4 | NA | | S-- continued most of the day on 11 Feb 2025, not adding to the accumulation at 0700 MST. S- with 1-2 miles visibility began ~1930 MST, still falling at 2200 MST, with ~1” accumulation. Moon vsbl at times thru clouds overnite. S- or S--, mostly continuous, with visibility
1½ to 3 miles except 3-7 miles 0130-0530 MST. Snow stopped ~0600 MST. At obs time 12 Feb, 24-h precip .14", accumulation 1.9”, total on ground 2.4”. |
| 2025-02-11 | 7:00 AM | 0.02 | 0.7 | NA | 0.7 | NA | | S- began ~2030 MST 10 Feb 2025 and was still falling at 2200, with the temperature at 16° and an estimated accumulation of ~0.2”. S--, occasionally S- vsby 3-7 miles, continued all night. At obs time (0700 MST 11 Feb), accumulation 0.7" with a water content of .02".
Very light snow still falling. |
| 2025-02-10 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-02-09 | 7:00 AM | 0.01 | 0.1 | NA | 0.1 | NA | | Mostly S--, briefly S- between 2000 and 2300 MST 08 Feb 2025. Precip .01", accumulation 0.1". |
| 2025-02-08 | 7:00 AM | T | T | NA | T | NA | | S-- ~ 0200 MST 08 Feb 2025, hardly enough to see on the grass after daylight. Trace precip, trace accumulation. |
| 2025-02-07 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-02-06 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-02-05 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-02-04 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | A cold front passed ~ 1300 MST on 03 Feb 2025 following a max temperature of 72 deg F. Little wind with the front but the temperature dropped 47 deg F in 11 hours to reach 25 deg F by midnight. |
| 2025-02-03 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | Strong chinook with temperatures in the mid 60s during the day 02 Feb 2025, quickly melted remaining snow by late night 02 Feb. |
| 2025-02-02 | 7:00 AM | 0.00 | 0.0 | NA | 2.5 | NA | | 2.5" of snow remained on open ground at obs time with 70% coverage. |
| 2025-02-01 | 7:00 AM | 0.00 | 0.0 | NA | 3.0 | NA | | 3.0" of snow remained in open areas at obs time with 80% coverage. |
| 2025-01-31 | 7:00 AM | 0.00 | 0.0 | NA | 3.5 | NA | | 3.5" of snow remained in open areas at obs time. |
| 2025-01-30 | 7:00 AM | 0.00 | 0.0 | NA | 4.0 | NA | | 4.0" of crusty snow remained on open ground at obs time. |
| 2025-01-29 | 7:00 AM | 0.00 | 0.0 | NA | 4.5 | NA | | 4.5" of crusty snow remained on open ground at obs time. |
| 2025-01-28 | 7:00 AM | 0.00 | 0.0 | NA | 5.0 | NA | | 5.0" of snow remained on open ground at obs time. |
| 2025-01-27 | 7:00 AM | 0.00 | 0.0 | NA | 6.0 | NA | | 6.0" of snow in open areas at obs time. |
| 2025-01-26 | 7:00 AM | 0.22 | 4.0 | NA | 8.0 | NA | | S-1¾ (tiny crystals) in progress at start of the observing period (0645 MST 25 Jan 2025). S- continued all day. Measurable snow stopped ~2000 MST. At 2130 MST, S--7, 18°, 3.5” snow since 0645 MSTL, with a water content of 0.20”, and 8.5” total snow cover (max measured). S- with visibility 2½ to 5 miles fell 0000-0300 MST 26 Jan, delivering +0.5” accumulation and 0.02” liquid equivalent. Snowpack had settled to 8.0" by obs time this morning. |
| 2025-01-25 | 6:45 AM | 0.18 | 2.5 | NA | 5.0 | NA | | Snowcover dipped to 2.5" on the afternoon of 24 Jan 2025 as the temperature reached 51 deg F. S-- began ~0100 MST 25 Jan, became S- ~0230 MST and fell continuously for the rest of the night with visibility ¾ to 2½ miles. At 0645 MST, S-1¾ (tiny crystals), 19° (the morning min), new accumulation 2.5” with a water content of 0.18”, total on the ground 5.0” |
| 2025-01-24 | 7:00 AM | 0.00 | 0.0 | NA | 4.5 | NA | | 4.5" of snow remains in open areas at obs time. |
| 2025-01-23 | 7:00 AM | 0.00 | 0.0 | NA | 4.5 | NA | | 4.5" of snow on open ground at obs time. |
| 2025-01-22 | 7:00 AM | 0.00 | 0.0 | NA | 4.5 | NA | | 4.5" of snow in open areas at obs time. |
| 2025-01-21 | 7:00 AM | 0.00 | 0.0 | NA | 6.0 | NA | | 20 Jan 2025 was the coldest day of the winter so far, midnight to midnight. The min/max here was -9°/12°. Rather extreme inversion at obs time this morning. It was -1° here at home while 30° at the NCAR Mesa Lab, only 600 ft higher in elevation and < 2 miles horizontally distant. 6.0" of snow in open aras at obs time.
|
| 2025-01-20 | 7:00 AM | 0.16 | 1.9 | NA | 7.0 | NA | | S- began 2100 MST 19 Jan 2025 and ended at obs time at 0700 MST 20 Jan, with visibility between 1.25 and 5 miles. New snowfall 1.9" with a water content of 0.16". 7.0" of snow in open areas at obs time. |
| 2025-01-19 | 7:00 AM | 0.09 | 1.0 | NA | 5.5 | NA | | At 0700 MST 18 Jan 2025, start of observing period, 14°, S-2, tiny crystals, 7.0” on the snow board. Continuous S- ended ~0930 MST. Sun dimly visible most of the day, and there were several periods of brief SW-. At 1300 MST, SW-, total acc 7.5” (max measured so far), +.05 precip and +0.5 accumulation since 0700 MST. Occasional SW- for the rest of the afternoon and until ~1800 MST. Precip +.04", accumulation +0.5" since 1300 MST. Snowpack settled overnight to 5.5" at obs time thism morning |
| 2025-01-18 | 7:00 AM | 0.45 | 7.0 | NA | 7.0 | NA | | A light fall of snow pellets (mm-size) began 1540 MDT 17 Jan 2025. A dusting by 1600 MDT. At 1930 MDT, 25°, S-1½, about 1” accumulation. By 2215 MDT, 21°, S3/4, tiny crystals, and estimated 3.5” accumulation. S3/4 until 2330 MDT, then S-, visibility 1-2 miles the rest of the night. At 0700 MDT 18 Jan 2025, 14°, S-2, tiny crystals, 7.0” accumulation, storm total precip so far 0.45". |
| 2025-01-17 | 7:00 AM | 0.00 | 0.0 | NA | T | NA | | Patchy snow remains only in well shaded areas at obs time. |
| 2025-01-16 | 7:00 AM | 0.00 | 0.0 | NA | T | NA | | Snow remains only in well-shaded areas at obs time. |
| 2025-01-15 | 7:00 AM | 0.00 | 0.0 | NA | T | NA | | Snow remains in well shaded areas at obs time. |
| 2025-01-14 | 7:00 AM | 0.00 | 0.0 | NA | T | NA | | Snow remains in well shaded areas at obs time. |
| 2025-01-13 | 7:00 AM | 0.00 | 0.0 | NA | T | NA | | Snow remains in shaded areas at obs time. |
| 2025-01-12 | 7:00 AM | 0.00 | 0.0 | NA | T | NA | | Snow remains in shaded areas at obs time. |
| 2025-01-11 | 7:00 AM | 0.00 | 0.0 | NA | T | NA | | Snow cover nearly gone in open areas by afternoon on 10 Jan 2025. Snow remains in shaded areas this morning, 11 Jan. |
| 2025-01-10 | 7:00 AM | 0.00 | 0.0 | NA | 1.0 | NA | | At obs time 1.0" of snow in open areas with 60% coverage. |
| 2025-01-09 | 7:00 AM | 0.00 | 0.0 | NA | 1.0 | NA | | A blustery day on 08 Jan 2025 with stiff NNW breeze at times. Snow showers E thru S but not at this location. At obs time, 1.0" snow in open areas with 80% coverage. |
| 2025-01-08 | 7:00 AM | 0.08 | 1.8 | NA | 2.5 | NA | | S- falling at the start of the observation period. S- ended 1015 MST 07 Jan 2025 with total acc 2.8”, +1.8” acc and +0.08 pcpn since 0700 MST |
| 2025-01-07 | 7:00 AM | 0.07 | 1.0 | NA | 1.0 | NA | | S- began 0315 MST 07 Jan 2025, continued thru obs time. At 0700 MST, S-, visibility 1 mile, accumulation 1.0", water content 0.07". |
| 2025-01-06 | 7:00 AM | 0.00 | 0.0 | NA | T | NA | | A trace of snow remains on the ground in open areas. |
| 2025-01-05 | 7:00 AM | 0.02 | 0.3 | NA | 0.3 | NA | | Occasional very light fall of snow grains during the morning of 04 Jan 2024. Trace accumulation, trace precip. Snow grains fell more generally from mid afternoon thru mid evening. At 2215 MST, SG-, visibility 1 mile. Since 0700 MST, accumulation 0.2", precip 0.02".
0.1" of snow fell after 2215 MST, time unknown but only a trace of additional precip. |
| 2025-01-04 | 7:00 AM | 0.01 | 0.1 | NA | 0.1 | NA | | A light and gentle fall of snow grains 0500 and 0700 MST provided a light dusting of snow. Precip .01", accumulation 0.1".
1 pcpn, 0.1 acc) |
| 2025-01-03 | 7:30 AM | 0.00 | 0.0 | NA | NA | NA | | Ice needles fell from freezing fog 0500-0730 MST 03 Dec 2024. Trace accumulation, trace precip. |
| 2025-01-02 | 7:00 AM | 0.00 | 0.0 | NA | 0.0 | NA | | |
| 2025-01-01 | 7:00 AM | T | T | NA | T | NA | | SW-- 1930-2000 MST from a very narrow band of showers oriented along 300-120°, delivered a light dusting of snow. Trace precip, trace accumulation. A trace of snow remained on the ground at obs time. |