Viewing Station: CO-BO-558 : Boulder 3.0 NW
Nov 29, 2021 - Sep 20, 20251,160 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
December 1-19, 2025(0 of 19 days covered by obs)
NOAA Normal
0.37"
Departure from Normal
-0.37" : 0% of Normal
Year-To-Date: 11.37"
Jan 1 to Dec 19, 2025(226 of 353 days covered by obs)
NOAA Normal
17.73"
Departure from Normal
-6.36" : 64% of Normal
Water Year-To-Date: 0.00"
Oct 1, 2025 to Dec 19, 2025(0 of 80 days covered by obs)
NOAA Normal
2.58"
Departure from Normal
-2.58" : 0% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.61
0.72
-0.11
Feb
0.80
0.95
-0.15
Mar
1.68
1.86
-0.18
Apr
2.48
2.60
-0.12
May
2.78
3.07
-0.29
Jun
1.87
2.12
-0.25
Jul
1.77
1.65
0.12
Aug
1.66
1.56
0.10
Sep
1.50
1.97
-0.47
Oct
1.29
1.63
-0.34
Nov
0.92
1.00
-0.08
Dec
0.61
0.76
-0.15
17.97
19.89
-1.92