Viewing Station: CO-BO-496 : Boulder 1.5 NNW
Mar 15, 2018 - Jul 11, 20252,318 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.04"
July 1-12, 2025(11 of 12 days covered by obs)
NOAA Normal
0.69"
Departure from Normal
-0.65" : 6% of Normal
Year-To-Date: 8.85"
Jan 1 to Jul 12, 2025(166 of 193 days covered by obs)
NOAA Normal
10.91"
Departure from Normal
-2.06" : 81% of Normal
Water Year-To-Date: 11.29"
Oct 1, 2024 to Jul 12, 2025(244 of 285 days covered by obs)
NOAA Normal
13.73"
Departure from Normal
-2.44" : 82% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.61
0.64
-0.03
Feb
0.80
0.79
0.01
Mar
1.68
1.69
-0.01
Apr
2.48
2.55
-0.07
May
2.78
2.88
-0.10
Jun
1.87
1.86
0.01
Jul
1.77
1.62
0.15
Aug
1.66
1.53
0.13
Sep
1.50
1.96
-0.46
Oct
1.29
1.43
-0.14
Nov
0.92
0.94
-0.02
Dec
0.61
0.66
-0.05
17.97
18.55
-0.58