Viewing Station: CO-BO-481 : Boulder 3.6 SSE
Jul 9, 2017 - Dec 4, 20251,587 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.62"
December 1-5, 2025(4 of 5 days covered by obs)
NOAA Normal
0.11"
Departure from Normal
0.51" : 582% of Normal
Year-To-Date: 18.36"
Jan 1 to Dec 5, 2025(330 of 339 days covered by obs)
NOAA Normal
17.62"
Departure from Normal
0.74" : 104% of Normal
Water Year-To-Date: 1.22"
Oct 1, 2025 to Dec 5, 2025(65 of 66 days covered by obs)
NOAA Normal
2.46"
Departure from Normal
-1.24" : 50% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.66
0.67
-0.01
Feb
0.81
0.83
-0.02
Mar
1.72
1.76
-0.04
Apr
2.56
2.65
-0.09
May
2.74
2.92
-0.18
Jun
1.80
1.80
0.00
Jul
1.73
1.70
0.03
Aug
1.70
1.65
0.05
Sep
1.44
1.99
-0.55
Oct
1.32
1.47
-0.15
Nov
1.03
1.01
0.02
Dec
0.66
0.73
-0.07
18.17
19.18
-1.01