Viewing Station: CO-BO-558 : Boulder 3.0 NW
Nov 29, 2021 - Sep 7, 20251,147 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
September 1-8, 2025(7 of 8 days covered by obs)
NOAA Normal
0.40"
Departure from Normal
-0.40" : 0% of Normal
Year-To-Date: 11.07"
Jan 1 to Sep 8, 2025(213 of 251 days covered by obs)
NOAA Normal
14.05"
Departure from Normal
-2.98" : 79% of Normal
Water Year-To-Date: 13.80"
Oct 1, 2024 to Sep 8, 2025(267 of 343 days covered by obs)
NOAA Normal
16.87"
Departure from Normal
-3.07" : 82% 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