Viewing Station: CO-BO-547 : Boulder 1.7 N
Feb 8, 2021 - Dec 19, 20251,277 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.07"
December 1-20, 2025(18 of 20 days covered by obs)
NOAA Normal
0.40"
Departure from Normal
0.67" : 268% of Normal
Year-To-Date: 15.22"
Jan 1 to Dec 20, 2025(294 of 354 days covered by obs)
NOAA Normal
18.02"
Departure from Normal
-2.80" : 84% of Normal
Water Year-To-Date: 1.80"
Oct 1, 2025 to Dec 20, 2025(75 of 81 days covered by obs)
NOAA Normal
2.74"
Departure from Normal
-0.94" : 66% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.64
0.61
0.03
Feb
0.79
0.74
0.05
Mar
1.71
1.63
0.08
Apr
2.55
2.47
0.08
May
2.79
2.79
0.00
Jun
1.85
1.78
0.07
Jul
1.77
1.59
0.18
Aug
1.68
1.51
0.17
Sep
1.50
1.90
-0.40
Oct
1.37
1.34
0.03
Nov
0.97
0.91
0.06
Dec
0.62
0.62
0.00
18.24
17.89
0.35