Viewing Station: CO-BO-457 : Boulder 0.7 ENE
Nov 20, 2017 - Nov 29, 20252,141 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.09"
November 1-29, 2025(27 of 29 days covered by obs)
NOAA Normal
0.97"
Departure from Normal
-0.88" : 9% of Normal
Year-To-Date: 16.43"
Jan 1 to Nov 29, 2025(325 of 333 days covered by obs)
NOAA Normal
17.25"
Departure from Normal
-0.82" : 95% of Normal
Water Year-To-Date: 0.72"
Oct 1, 2025 to Nov 29, 2025(58 of 60 days covered by obs)
NOAA Normal
2.29"
Departure from Normal
-1.57" : 31% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.64
0.61
0.03
Feb
0.78
0.75
0.03
Mar
1.68
1.61
0.07
Apr
2.49
2.49
0.00
May
2.73
2.81
-0.08
Jun
1.82
1.78
0.04
Jul
1.71
1.61
0.10
Aug
1.67
1.51
0.16
Sep
1.44
1.97
-0.53
Oct
1.32
1.31
0.01
Nov
1.00
0.91
0.09
Dec
0.64
0.61
0.03
17.92
17.97
-0.05