Viewing Station: CO-BO-164 : Boulder 3.0 NNW
May 30, 2004 - Jul 28, 20264,126 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.84"
July 1-28, 2026(25 of 28 days covered by obs)
NOAA Normal
1.60"
Departure from Normal
-0.76" : 53% of Normal
Year-To-Date: 7.37"
Jan 1 to Jul 28, 2026(134 of 209 days covered by obs)
NOAA Normal
11.82"
Departure from Normal
-4.45" : 62% of Normal
Water Year-To-Date: 8.66"
Oct 1, 2025 to Jul 28, 2026(171 of 301 days covered by obs)
NOAA Normal
14.64"
Departure from Normal
-5.98" : 59% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.61
0.72
-0.11
Feb
0.80
0.95
-0.15
Mar
1.68
1.86
-0.18
Apr
2.48
2.60
-0.12
May
2.78
3.07
-0.29
Jun
1.87
2.12
-0.25
Jul
1.77
1.65
0.12
Aug
1.66
1.56
0.10
Sep
1.50
1.97
-0.47
Oct
1.29
1.63
-0.34
Nov
0.92
1.00
-0.08
Dec
0.61
0.76
-0.15
17.97
19.89
-1.92