Viewing Station: CO-BO-220 : Boulder 4.7 ENE
May 26, 2006 - Apr 23, 20266,810 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.35"
April 1-23, 2026(22 of 23 days covered by obs)
NOAA Normal
1.85"
Departure from Normal
-1.50" : 19% of Normal
Year-To-Date: 1.34"
Jan 1 to Apr 23, 2026(112 of 113 days covered by obs)
NOAA Normal
4.74"
Departure from Normal
-3.40" : 28% of Normal
Water Year-To-Date: 2.67"
Oct 1, 2025 to Apr 23, 2026(204 of 205 days covered by obs)
NOAA Normal
7.50"
Departure from Normal
-4.83" : 36% 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