Viewing Station: CO-BO-437 : Boulder 2.1 W
Jun 23, 2017 - Aug 26, 20252,693 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 0.39"
August 1-26, 2025(26 of 26 days covered by obs)
NOAA Normal
1.40"
Departure from Normal
-1.01" : 28% of Normal
Year-To-Date: 13.16"
Jan 1 to Aug 26, 2025(233 of 238 days covered by obs)
NOAA Normal
13.59"
Departure from Normal
-0.43" : 97% of Normal
Water Year-To-Date: 16.45"
Oct 1, 2024 to Aug 26, 2025(322 of 330 days covered by obs)
NOAA Normal
16.60"
Departure from Normal
-0.15" : 99% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.65
0.74
-0.09
Feb
0.85
0.98
-0.13
Mar
1.74
1.87
-0.13
Apr
2.56
2.82
-0.26
May
2.76
3.24
-0.48
Jun
1.86
2.13
-0.27
Jul
1.77
1.71
0.06
Aug
1.67
1.62
0.05
Sep
1.53
2.08
-0.55
Oct
1.36
1.61
-0.25
Nov
1.00
1.07
-0.07
Dec
0.65
0.78
-0.13
18.40
20.65
-2.25