Viewing Station: CO-BO-563 : Boulder 3.7 WNW
Mar 15, 2022 - Dec 9, 20251,270 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.19"
December 1-11, 2025(6 of 11 days covered by obs)
NOAA Normal
0.20"
Departure from Normal
-0.01" : 94% of Normal
Year-To-Date: 17.00"
Jan 1 to Dec 11, 2025(282 of 345 days covered by obs)
NOAA Normal
17.43"
Departure from Normal
-0.43" : 98% of Normal
Water Year-To-Date: 1.01"
Oct 1, 2025 to Dec 11, 2025(51 of 72 days covered by obs)
NOAA Normal
2.24"
Departure from Normal
-1.23" : 45% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.57
0.80
-0.23
Feb
0.76
1.07
-0.31
Mar
1.56
1.95
-0.39
Apr
2.36
2.88
-0.52
May
2.69
3.40
-0.71
Jun
1.88
2.23
-0.35
Jul
2.00
1.84
0.16
Aug
1.84
1.82
0.02
Sep
1.53
2.13
-0.60
Oct
1.18
1.64
-0.46
Nov
0.86
1.04
-0.18
Dec
0.57
0.82
-0.25
17.80
21.62
-3.82