Viewing Station: CO-BO-477 : Boulder 2.3 N
Jun 23, 2017 - Dec 7, 20252,877 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.56"
December 1-8, 2025(5 of 8 days covered by obs)
NOAA Normal
0.16"
Departure from Normal
0.40" : 350% of Normal
Year-To-Date: 14.85"
Jan 1 to Dec 8, 2025(320 of 342 days covered by obs)
NOAA Normal
17.78"
Departure from Normal
-2.93" : 84% of Normal
Water Year-To-Date: 1.19"
Oct 1, 2025 to Dec 8, 2025(58 of 69 days covered by obs)
NOAA Normal
2.50"
Departure from Normal
-1.31" : 48% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.64
0.61
0.03
Feb
0.79
0.73
0.06
Mar
1.71
1.60
0.11
Apr
2.55
2.42
0.13
May
2.79
2.77
0.02
Jun
1.85
1.76
0.09
Jul
1.77
1.58
0.19
Aug
1.68
1.48
0.20
Sep
1.50
1.85
-0.35
Oct
1.37
1.34
0.03
Nov
0.97
0.90
0.07
Dec
0.62
0.62
0.00
18.24
17.66
0.58