Viewing Station: CO-BO-496 : Boulder 1.5 NNW
Mar 15, 2018 - Nov 30, 20252,426 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.02"
November 1-30, 2025(19 of 30 days covered by obs)
NOAA Normal
0.92"
Departure from Normal
-0.90" : 2% of Normal
Year-To-Date: 12.68"
Jan 1 to Nov 30, 2025(274 of 334 days covered by obs)
NOAA Normal
17.36"
Departure from Normal
-4.68" : 73% of Normal
Water Year-To-Date: 0.65"
Oct 1, 2025 to Nov 30, 2025(42 of 61 days covered by obs)
NOAA Normal
2.21"
Departure from Normal
-1.56" : 29% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.61
0.64
-0.03
Feb
0.80
0.79
0.01
Mar
1.68
1.69
-0.01
Apr
2.48
2.55
-0.07
May
2.78
2.88
-0.10
Jun
1.87
1.86
0.01
Jul
1.77
1.62
0.15
Aug
1.66
1.53
0.13
Sep
1.50
1.96
-0.46
Oct
1.29
1.43
-0.14
Nov
0.92
0.94
-0.02
Dec
0.61
0.66
-0.05
17.97
18.55
-0.58