Viewing Station: CO-BO-583 : Boulder 2.9 S
Jan 1, 2023 - Jul 27, 2025991 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.17"
July 1-28, 2025(27 of 28 days covered by obs)
NOAA Normal
1.56"
Departure from Normal
-0.39" : 75% of Normal
Year-To-Date: 11.92"
Jan 1 to Jul 28, 2025(208 of 209 days covered by obs)
NOAA Normal
11.85"
Departure from Normal
0.07" : 101% of Normal
Water Year-To-Date: 14.58"
Oct 1, 2024 to Jul 28, 2025(300 of 301 days covered by obs)
NOAA Normal
14.86"
Departure from Normal
-0.28" : 98% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.66
0.70
-0.04
Feb
0.81
0.83
-0.02
Mar
1.72
1.72
0.00
Apr
2.56
2.67
-0.11
May
2.74
2.95
-0.21
Jun
1.80
1.83
-0.03
Jul
1.73
1.72
0.01
Aug
1.70
1.61
0.09
Sep
1.44
2.03
-0.59
Oct
1.32
1.48
-0.16
Nov
1.03
1.02
0.01
Dec
0.66
0.71
-0.05
18.17
19.27
-1.10