Viewing Station: CO-BO-67 : Boulder 4.7 E
Oct 23, 2002 - Aug 23, 20267,926 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.40"
August 1-23, 2026(23 of 23 days covered by obs)
NOAA Normal
1.28"
Departure from Normal
-0.88" : 31% of Normal
Year-To-Date: 7.10"
Jan 1 to Aug 23, 2026(235 of 235 days covered by obs)
NOAA Normal
13.30"
Departure from Normal
-6.20" : 53% of Normal
Water Year-To-Date: 8.43"
Oct 1, 2025 to Aug 23, 2026(327 of 327 days covered by obs)
NOAA Normal
16.27"
Departure from Normal
-7.84" : 52% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.65
0.63
0.02
Feb
0.81
0.73
0.08
Mar
1.69
1.58
0.11
Apr
2.52
2.38
0.14
May
2.77
2.70
0.07
Jun
1.84
1.60
0.24
Jul
1.74
1.61
0.13
Aug
1.72
1.44
0.28
Sep
1.43
1.76
-0.33
Oct
1.33
1.38
-0.05
Nov
1.01
0.92
0.09
Dec
0.63
0.63
0.00
18.14
17.36
0.78