Viewing Station: CO-BO-456 : Boulder 2.2 SSW
Jun 18, 2017 - Jul 28, 20263,190 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.55"
July 1-28, 2026(28 of 28 days covered by obs)
NOAA Normal
1.66"
Departure from Normal
-1.11" : 33% of Normal
Year-To-Date: 7.66"
Jan 1 to Jul 28, 2026(207 of 209 days covered by obs)
NOAA Normal
12.52"
Departure from Normal
-4.86" : 61% of Normal
Water Year-To-Date: 9.28"
Oct 1, 2025 to Jul 28, 2026(298 of 301 days covered by obs)
NOAA Normal
15.66"
Departure from Normal
-6.38" : 59% 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