Viewing Station: CO-BO-496 : Boulder 1.5 NNW
Mar 15, 2018 - Jun 20, 20252,297 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.55"
June 1-21, 2025(20 of 21 days covered by obs)
NOAA Normal
1.31"
Departure from Normal
0.24" : 118% of Normal
Year-To-Date: 8.61"
Jan 1 to Jun 21, 2025(145 of 172 days covered by obs)
NOAA Normal
9.66"
Departure from Normal
-1.05" : 89% of Normal
Water Year-To-Date: 11.05"
Oct 1, 2024 to Jun 21, 2025(223 of 264 days covered by obs)
NOAA Normal
12.48"
Departure from Normal
-1.43" : 89% 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