Viewing Station: CO-BO-67 : Boulder 4.7 E
Oct 23, 2002 - Jul 22, 20267,894 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.44"
July 1-22, 2026(22 of 22 days covered by obs)
NOAA Normal
1.23"
Departure from Normal
-0.79" : 36% of Normal
Year-To-Date: 6.52"
Jan 1 to Jul 22, 2026(203 of 203 days covered by obs)
NOAA Normal
11.51"
Departure from Normal
-4.99" : 57% of Normal
Water Year-To-Date: 7.85"
Oct 1, 2025 to Jul 22, 2026(295 of 295 days covered by obs)
NOAA Normal
14.48"
Departure from Normal
-6.63" : 54% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.65
0.63
0.02
Feb
0.81
0.73
0.08
Mar
1.69
1.58
0.11
Apr
2.52
2.38
0.14
May
2.77
2.70
0.07
Jun
1.84
1.60
0.24
Jul
1.74
1.61
0.13
Aug
1.72
1.44
0.28
Sep
1.43
1.76
-0.33
Oct
1.33
1.38
-0.05
Nov
1.01
0.92
0.09
Dec
0.63
0.63
0.00
18.14
17.36
0.78