Viewing Station: CO-BO-220 : Boulder 4.7 ENE
May 26, 2006 - Jan 21, 20266,719 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.30"
January 1-21, 2026(21 of 21 days covered by obs)
NOAA Normal
0.41"
Departure from Normal
-0.11" : 74% of Normal
Year-To-Date: 0.30"
Jan 1 to Jan 21, 2026(21 of 21 days covered by obs)
NOAA Normal
0.41"
Departure from Normal
-0.11" : 74% of Normal
Water Year-To-Date: 1.63"
Oct 1, 2025 to Jan 21, 2026(113 of 113 days covered by obs)
NOAA Normal
3.17"
Departure from Normal
-1.54" : 51% 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