Viewing Station: CO-BO-391 : Boulder 2.2 W
Oct 7, 2014 - Aug 10, 20252,618 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.04"
August 1-11, 2025(5 of 11 days covered by obs)
NOAA Normal
0.64"
Departure from Normal
-0.60" : 6% of Normal
Year-To-Date: 10.69"
Jan 1 to Aug 11, 2025(104 of 223 days covered by obs)
NOAA Normal
12.56"
Departure from Normal
-1.87" : 85% of Normal
Water Year-To-Date: 12.63"
Oct 1, 2024 to Aug 11, 2025(148 of 315 days covered by obs)
NOAA Normal
15.23"
Departure from Normal
-2.60" : 83% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.58
0.76
-0.18
Feb
0.78
1.01
-0.23
Mar
1.60
1.89
-0.29
Apr
2.45
2.85
-0.40
May
2.69
3.30
-0.61
Jun
1.87
2.19
-0.32
Jul
1.95
1.72
0.23
Aug
1.79
1.64
0.15
Sep
1.54
2.11
-0.57
Oct
1.22
1.65
-0.43
Nov
0.88
1.09
-0.21
Dec
0.57
0.80
-0.23
17.92
21.01
-3.09