Viewing Station: CO-BO-9 : Boulder 1.4 NNW
Jun 11, 2001 - Jul 28, 20268,137 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 0.71"
July 1-28, 2026(28 of 28 days covered by obs)
NOAA Normal
1.60"
Departure from Normal
-0.89" : 44% of Normal
Year-To-Date: 7.38"
Jan 1 to Jul 28, 2026(202 of 209 days covered by obs)
NOAA Normal
12.02"
Departure from Normal
-4.64" : 61% of Normal
Water Year-To-Date: 8.18"
Oct 1, 2025 to Jul 28, 2026(282 of 301 days covered by obs)
NOAA Normal
15.03"
Departure from Normal
-6.85" : 54% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.65
0.76
-0.11
Feb
0.85
1.01
-0.16
Mar
1.74
1.89
-0.15
Apr
2.56
2.85
-0.29
May
2.76
3.30
-0.54
Jun
1.86
2.19
-0.33
Jul
1.77
1.72
0.05
Aug
1.67
1.64
0.03
Sep
1.53
2.11
-0.58
Oct
1.36
1.65
-0.29
Nov
1.00
1.09
-0.09
Dec
0.65
0.80
-0.15
18.40
21.01
-2.61