Viewing Station: CO-BO-230 : Boulder 6.8 WNW
Jul 8, 2011 - May 31, 20253,228 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.31"
May 1-31, 2025(29 of 31 days covered by obs)
NOAA Normal
2.64"
Departure from Normal
0.67" : 125% of Normal
Year-To-Date: 7.72"
Jan 1 to May 31, 2025(135 of 151 days covered by obs)
NOAA Normal
7.55"
Departure from Normal
0.17" : 102% of Normal
Water Year-To-Date: 10.66"
Oct 1, 2024 to May 31, 2025(224 of 243 days covered by obs)
NOAA Normal
9.93"
Departure from Normal
0.73" : 107% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.51
0.72
-0.21
Feb
0.74
0.97
-0.23
Mar
1.37
1.97
-0.60
Apr
2.29
2.92
-0.63
May
2.64
3.15
-0.51
Jun
1.89
2.08
-0.19
Jul
2.14
2.18
-0.04
Aug
1.95
1.95
0.00
Sep
1.55
2.21
-0.66
Oct
1.13
1.38
-0.25
Nov
0.78
0.92
-0.14
Dec
0.47
0.79
-0.32
17.46
21.24
-3.78