Viewing Station: CO-BO-9 : Boulder 1.4 NNW
Jun 11, 2001 - May 6, 20268,056 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.52"
May 1-6, 2026(6 of 6 days covered by obs)
NOAA Normal
0.53"
Departure from Normal
0.99" : 285% of Normal
Year-To-Date: 3.48"
Jan 1 to May 6, 2026(121 of 126 days covered by obs)
NOAA Normal
6.33"
Departure from Normal
-2.85" : 55% of Normal
Water Year-To-Date: 4.28"
Oct 1, 2025 to May 6, 2026(201 of 218 days covered by obs)
NOAA Normal
9.34"
Departure from Normal
-5.06" : 46% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.65
0.76
-0.11
Feb
0.85
1.01
-0.16
Mar
1.74
1.89
-0.15
Apr
2.56
2.85
-0.29
May
2.76
3.30
-0.54
Jun
1.86
2.19
-0.33
Jul
1.77
1.72
0.05
Aug
1.67
1.64
0.03
Sep
1.53
2.11
-0.58
Oct
1.36
1.65
-0.29
Nov
1.00
1.09
-0.09
Dec
0.65
0.80
-0.15
18.40
21.01
-2.61