Viewing Station: CO-BO-481 : Boulder 3.6 SSE
Jul 9, 2017 - Aug 22, 20261,697 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.55"
August 1-22, 2026(22 of 22 days covered by obs)
NOAA Normal
1.21"
Departure from Normal
-0.66" : 46% of Normal
Year-To-Date: 7.39"
Jan 1 to Aug 22, 2026(228 of 234 days covered by obs)
NOAA Normal
13.23"
Departure from Normal
-5.84" : 56% of Normal
Water Year-To-Date: 8.67"
Oct 1, 2025 to Aug 22, 2026(320 of 326 days covered by obs)
NOAA Normal
16.24"
Departure from Normal
-7.57" : 53% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.66
0.67
-0.01
Feb
0.81
0.83
-0.02
Mar
1.72
1.76
-0.04
Apr
2.56
2.65
-0.09
May
2.74
2.92
-0.18
Jun
1.80
1.80
0.00
Jul
1.73
1.70
0.03
Aug
1.70
1.65
0.05
Sep
1.44
1.99
-0.55
Oct
1.32
1.47
-0.15
Nov
1.03
1.01
0.02
Dec
0.66
0.73
-0.07
18.17
19.18
-1.01