Viewing Station: CO-BO-164 : Boulder 3.0 NNW
May 30, 2004 - Sep 13, 20264,168 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 0.22"
September 1-13, 2026(11 of 13 days covered by obs)
NOAA Normal
0.65"
Departure from Normal
-0.43" : 34% of Normal
Year-To-Date: 8.27"
Jan 1 to Sep 13, 2026(176 of 256 days covered by obs)
NOAA Normal
14.30"
Departure from Normal
-6.03" : 58% of Normal
Water Year-To-Date: 9.56"
Oct 1, 2025 to Sep 13, 2026(213 of 348 days covered by obs)
NOAA Normal
17.12"
Departure from Normal
-7.56" : 56% 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