Viewing Station: CO-BO-476 : Boulder 2.9 ESE
Jun 12, 2017 - Jul 27, 20262,258 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.66"
July 1-27, 2026(27 of 27 days covered by obs)
NOAA Normal
1.48"
Departure from Normal
-0.82" : 45% of Normal
Year-To-Date: 5.62"
Jan 1 to Jul 27, 2026(203 of 208 days covered by obs)
NOAA Normal
11.42"
Departure from Normal
-5.80" : 49% of Normal
Water Year-To-Date: 6.72"
Oct 1, 2025 to Jul 27, 2026(289 of 300 days covered by obs)
NOAA Normal
14.23"
Departure from Normal
-7.51" : 47% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.61
0.61
0.00
Feb
0.75
0.73
0.02
Mar
1.61
1.59
0.02
Apr
2.43
2.37
0.06
May
2.72
2.70
0.02
Jun
1.82
1.63
0.19
Jul
1.70
1.60
0.10
Aug
1.68
1.41
0.27
Sep
1.42
1.82
-0.40
Oct
1.28
1.34
-0.06
Nov
0.94
0.91
0.03
Dec
0.59
0.61
-0.02
17.55
17.32
0.23