Viewing Station: CO-BO-409 : Boulder 1.4 SE
Apr 21, 2016 - Jul 28, 20263,510 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.55"
July 1-28, 2026(28 of 28 days covered by obs)
NOAA Normal
1.54"
Departure from Normal
-0.99" : 36% of Normal
Year-To-Date: 6.44"
Jan 1 to Jul 28, 2026(205 of 209 days covered by obs)
NOAA Normal
11.68"
Departure from Normal
-5.24" : 55% of Normal
Water Year-To-Date: 7.14"
Oct 1, 2025 to Jul 28, 2026(286 of 301 days covered by obs)
NOAA Normal
14.64"
Departure from Normal
-7.50" : 49% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.64
0.65
-0.01
Feb
0.78
0.80
-0.02
Mar
1.68
1.72
-0.04
Apr
2.49
2.53
-0.04
May
2.73
2.86
-0.13
Jun
1.82
1.71
0.11
Jul
1.71
1.65
0.06
Aug
1.67
1.41
0.26
Sep
1.44
2.02
-0.58
Oct
1.32
1.39
-0.07
Nov
1.00
0.97
0.03
Dec
0.64
0.63
0.01
17.92
18.34
-0.42