Viewing Station: CO-BO-494 : Boulder 2.5 SW
Mar 25, 2018 - Aug 26, 20251,484 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.76"
August 1-26, 2025(22 of 26 days covered by obs)
NOAA Normal
1.40"
Departure from Normal
-0.64" : 54% of Normal
Year-To-Date: 13.25"
Jan 1 to Aug 26, 2025(167 of 238 days covered by obs)
NOAA Normal
13.59"
Departure from Normal
-0.34" : 97% of Normal
Water Year-To-Date: 16.44"
Oct 1, 2024 to Aug 26, 2025(233 of 330 days covered by obs)
NOAA Normal
16.60"
Departure from Normal
-0.16" : 99% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.65
0.80
-0.15
Feb
0.85
1.04
-0.19
Mar
1.74
1.97
-0.23
Apr
2.56
2.91
-0.35
May
2.76
3.25
-0.49
Jun
1.86
2.05
-0.19
Jul
1.77
1.75
0.02
Aug
1.67
1.77
-0.10
Sep
1.53
2.14
-0.61
Oct
1.36
1.61
-0.25
Nov
1.00
1.12
-0.12
Dec
0.65
0.82
-0.17
18.40
21.23
-2.83