Viewing Station: CO-BO-594 : Boulder 2.4 NW
Sep 11, 2023 - Dec 28, 2025289 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.69"
December 1-28, 2025(4 of 28 days covered by obs)
NOAA Normal
0.55"
Departure from Normal
0.14" : 125% of Normal
Year-To-Date: 15.85"
Jan 1 to Dec 28, 2025(172 of 362 days covered by obs)
NOAA Normal
17.91"
Departure from Normal
-2.06" : 88% of Normal
Water Year-To-Date: 1.41"
Oct 1, 2025 to Dec 28, 2025(15 of 89 days covered by obs)
NOAA Normal
2.76"
Departure from Normal
-1.35" : 51% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.61
0.77
-0.16
Feb
0.80
1.04
-0.24
Mar
1.68
1.93
-0.25
Apr
2.48
2.74
-0.26
May
2.78
3.24
-0.46
Jun
1.87
2.26
-0.39
Jul
1.77
1.69
0.08
Aug
1.66
1.62
0.04
Sep
1.50
2.04
-0.54
Oct
1.29
1.70
-0.41
Nov
0.92
1.04
-0.12
Dec
0.61
0.83
-0.22
17.97
20.90
-2.93