Viewing Station: CO-BO-522 : Boulder 2.3 SSE
Jul 13, 2019 - Jul 28, 20262,469 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.61"
July 1-28, 2026(27 of 28 days covered by obs)
NOAA Normal
1.56"
Departure from Normal
-0.95" : 39% of Normal
Year-To-Date: 5.58"
Jan 1 to Jul 28, 2026(207 of 209 days covered by obs)
NOAA Normal
11.85"
Departure from Normal
-6.27" : 47% of Normal
Water Year-To-Date: 6.81"
Oct 1, 2025 to Jul 28, 2026(300 of 301 days covered by obs)
NOAA Normal
14.86"
Departure from Normal
-8.05" : 46% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.66
0.66
0.00
Feb
0.81
0.79
0.02
Mar
1.72
1.71
0.01
Apr
2.56
2.56
0.00
May
2.74
2.87
-0.13
Jun
1.80
1.76
0.04
Jul
1.73
1.67
0.06
Aug
1.70
1.45
0.25
Sep
1.44
2.00
-0.56
Oct
1.32
1.41
-0.09
Nov
1.03
0.97
0.06
Dec
0.66
0.65
0.01
18.17
18.50
-0.33