Viewing Station: CO-BO-472 : Boulder 1.3 W
Feb 20, 2018 - Aug 26, 2025631 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.34"
August 1-26, 2025(6 of 26 days covered by obs)
NOAA Normal
1.40"
Departure from Normal
-1.06" : 24% of Normal
Year-To-Date: 10.71"
Jan 1 to Aug 26, 2025(72 of 238 days covered by obs)
NOAA Normal
13.59"
Departure from Normal
-2.88" : 79% of Normal
Water Year-To-Date: 13.69"
Oct 1, 2024 to Aug 26, 2025(86 of 330 days covered by obs)
NOAA Normal
16.60"
Departure from Normal
-2.91" : 82% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.65
0.68
-0.03
Feb
0.85
0.84
0.01
Mar
1.74
1.80
-0.06
Apr
2.56
2.72
-0.16
May
2.76
2.97
-0.21
Jun
1.86
1.97
-0.11
Jul
1.77
1.67
0.10
Aug
1.67
1.55
0.12
Sep
1.53
2.03
-0.50
Oct
1.36
1.50
-0.14
Nov
1.00
0.99
0.01
Dec
0.65
0.69
-0.04
18.40
19.41
-1.01