Viewing Station: CO-BO-72 : Boulder 1.3 NW
Sep 9, 2002 - Dec 7, 20258,501 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.64"
December 1-8, 2025(6 of 8 days covered by obs)
NOAA Normal
0.17"
Departure from Normal
0.47" : 382% of Normal
Year-To-Date: 16.16"
Jan 1 to Dec 8, 2025(340 of 342 days covered by obs)
NOAA Normal
17.92"
Departure from Normal
-1.76" : 90% of Normal
Water Year-To-Date: 1.37"
Oct 1, 2025 to Dec 8, 2025(67 of 69 days covered by obs)
NOAA Normal
2.53"
Departure from Normal
-1.16" : 54% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.65
0.67
-0.02
Feb
0.85
0.80
0.05
Mar
1.74
1.77
-0.03
Apr
2.56
2.69
-0.13
May
2.76
2.92
-0.16
Jun
1.86
1.93
-0.07
Jul
1.77
1.65
0.12
Aug
1.67
1.52
0.15
Sep
1.53
2.02
-0.49
Oct
1.36
1.47
-0.11
Nov
1.00
0.98
0.02
Dec
0.65
0.67
-0.02
18.40
19.09
-0.69