Viewing Station: CO-BO-558 : Boulder 3.0 NW
Nov 29, 2021 - Jul 28, 20251,110 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.96"
July 1-29, 2025(21 of 29 days covered by obs)
NOAA Normal
1.66"
Departure from Normal
-0.70" : 58% of Normal
Year-To-Date: 10.06"
Jan 1 to Jul 29, 2025(172 of 210 days covered by obs)
NOAA Normal
11.88"
Departure from Normal
-1.82" : 85% of Normal
Water Year-To-Date: 12.79"
Oct 1, 2024 to Jul 29, 2025(226 of 302 days covered by obs)
NOAA Normal
14.70"
Departure from Normal
-1.91" : 87% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.61
0.72
-0.11
Feb
0.80
0.95
-0.15
Mar
1.68
1.86
-0.18
Apr
2.48
2.60
-0.12
May
2.78
3.07
-0.29
Jun
1.87
2.12
-0.25
Jul
1.77
1.65
0.12
Aug
1.66
1.56
0.10
Sep
1.50
1.97
-0.47
Oct
1.29
1.63
-0.34
Nov
0.92
1.00
-0.08
Dec
0.61
0.76
-0.15
17.97
19.89
-1.92