Viewing Station: CO-BO-220 : Boulder 4.7 ENE
May 26, 2006 - May 4, 20256,463 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.44"
May 1-4, 2025(4 of 4 days covered by obs)
NOAA Normal
0.36"
Departure from Normal
0.08" : 121% of Normal
Year-To-Date: 5.24"
Jan 1 to May 4, 2025(124 of 124 days covered by obs)
NOAA Normal
5.66"
Departure from Normal
-0.42" : 93% of Normal
Water Year-To-Date: 7.87"
Oct 1, 2024 to May 4, 2025(216 of 216 days covered by obs)
NOAA Normal
8.42"
Departure from Normal
-0.55" : 93% 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