Viewing Station: CO-BO-9 : Boulder 1.4 NNW
Jun 11, 2001 - May 7, 20257,732 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.67"
May 1-8, 2025(7 of 8 days covered by obs)
NOAA Normal
0.71"
Departure from Normal
0.96" : 234% of Normal
Year-To-Date: 7.27"
Jan 1 to May 8, 2025(123 of 128 days covered by obs)
NOAA Normal
6.51"
Departure from Normal
0.76" : 112% of Normal
Water Year-To-Date: 10.55"
Oct 1, 2024 to May 8, 2025(212 of 220 days covered by obs)
NOAA Normal
9.52"
Departure from Normal
1.03" : 111% 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