Viewing Station: CO-BO-220 : Boulder 4.7 ENE
May 26, 2006 - May 28, 20256,487 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.93"
May 1-28, 2025(28 of 28 days covered by obs)
NOAA Normal
2.55"
Departure from Normal
0.38" : 115% of Normal
Year-To-Date: 7.73"
Jan 1 to May 28, 2025(148 of 148 days covered by obs)
NOAA Normal
7.85"
Departure from Normal
-0.12" : 99% of Normal
Water Year-To-Date: 10.36"
Oct 1, 2024 to May 28, 2025(240 of 240 days covered by obs)
NOAA Normal
10.61"
Departure from Normal
-0.25" : 98% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.60
0.54
0.06
Feb
0.71
0.66
0.05
Mar
1.58
1.53
0.05
Apr
2.41
2.21
0.20
May
2.82
2.49
0.33
Jun
1.84
1.60
0.24
Jul
1.70
1.56
0.14
Aug
1.70
1.32
0.38
Sep
1.42
1.66
-0.24
Oct
1.26
1.20
0.06
Nov
0.92
0.83
0.09
Dec
0.58
0.58
0.00
17.54
16.18
1.36