Viewing Station: CO-BO-4 : Boulder 2.9 S
Jun 1, 2001 - Aug 26, 20258,945 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.39"
August 1-26, 2025(20 of 26 days covered by obs)
NOAA Normal
1.45"
Departure from Normal
-1.06" : 27% of Normal
Year-To-Date: 13.27"
Jan 1 to Aug 26, 2025(222 of 238 days covered by obs)
NOAA Normal
14.15"
Departure from Normal
-0.88" : 94% of Normal
Water Year-To-Date: 16.34"
Oct 1, 2024 to Aug 26, 2025(314 of 330 days covered by obs)
NOAA Normal
17.29"
Departure from Normal
-0.95" : 95% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.71
0.74
-0.03
Feb
0.91
0.90
0.01
Mar
1.84
1.85
-0.01
Apr
2.72
2.79
-0.07
May
2.80
3.06
-0.26
Jun
1.88
1.92
-0.04
Jul
1.84
1.73
0.11
Aug
1.73
1.65
0.08
Sep
1.53
2.05
-0.52
Oct
1.37
1.54
-0.17
Nov
1.06
1.04
0.02
Dec
0.71
0.76
-0.05
19.10
20.03
-0.93