Viewing Station: CO-BO-4 : Boulder 2.9 S
Jun 1, 2001 - May 9, 20258,843 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.20"
May 1-10, 2025(9 of 10 days covered by obs)
NOAA Normal
0.90"
Departure from Normal
1.30" : 244% of Normal
Year-To-Date: 8.13"
Jan 1 to May 10, 2025(123 of 130 days covered by obs)
NOAA Normal
7.08"
Departure from Normal
1.05" : 115% of Normal
Water Year-To-Date: 11.20"
Oct 1, 2024 to May 10, 2025(215 of 222 days covered by obs)
NOAA Normal
10.22"
Departure from Normal
0.98" : 110% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.71
0.74
-0.03
Feb
0.91
0.90
0.01
Mar
1.84
1.85
-0.01
Apr
2.72
2.79
-0.07
May
2.80
3.06
-0.26
Jun
1.88
1.92
-0.04
Jul
1.84
1.73
0.11
Aug
1.73
1.65
0.08
Sep
1.53
2.05
-0.52
Oct
1.37
1.54
-0.17
Nov
1.06
1.04
0.02
Dec
0.71
0.76
-0.05
19.10
20.03
-0.93