Viewing Station: CO-BO-618 : Boulder 2.7 NNW
Oct 6, 2025 - Jul 28, 2026229 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.14"
July 1-28, 2026(27 of 28 days covered by obs)
NOAA Normal
1.60"
Departure from Normal
-0.46" : 71% of Normal
Year-To-Date: 7.15"
Jan 1 to Jul 28, 2026(180 of 209 days covered by obs)
NOAA Normal
11.82"
Departure from Normal
-4.67" : 60% of Normal
Water Year-To-Date: 8.41"
Oct 1, 2025 to Jul 28, 2026(244 of 301 days covered by obs)
NOAA Normal
14.64"
Departure from Normal
-6.23" : 57% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.61
0.68
-0.07
Feb
0.80
0.89
-0.09
Mar
1.68
1.80
-0.12
Apr
2.48
2.56
-0.08
May
2.78
2.97
-0.19
Jun
1.87
2.00
-0.13
Jul
1.77
1.65
0.12
Aug
1.66
1.54
0.12
Sep
1.50
1.97
-0.47
Oct
1.29
1.56
-0.27
Nov
0.92
0.98
-0.06
Dec
0.61
0.73
-0.12
17.97
19.33
-1.36