Viewing Station: CO-BO-456 : Boulder 2.2 SSW
Jun 18, 2017 - Jul 16, 20252,820 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.41"
July 1-17, 2025(16 of 17 days covered by obs)
NOAA Normal
1.01"
Departure from Normal
-0.60" : 41% of Normal
Year-To-Date: 12.61"
Jan 1 to Jul 17, 2025(190 of 198 days covered by obs)
NOAA Normal
11.87"
Departure from Normal
0.74" : 106% of Normal
Water Year-To-Date: 15.72"
Oct 1, 2024 to Jul 17, 2025(280 of 290 days covered by obs)
NOAA Normal
15.01"
Departure from Normal
0.71" : 105% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.71
0.73
-0.02
Feb
0.91
0.90
0.01
Mar
1.84
1.83
0.01
Apr
2.72
2.72
0.00
May
2.80
3.05
-0.25
Jun
1.88
1.91
-0.03
Jul
1.84
1.72
0.12
Aug
1.73
1.64
0.09
Sep
1.53
2.03
-0.50
Oct
1.37
1.52
-0.15
Nov
1.06
1.05
0.01
Dec
0.71
0.74
-0.03
19.10
19.84
-0.74