Viewing Station: CO-BO-625 : Boulder 1.6 S
Jun 30, 2026 - Sep 13, 202668 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.18"
September 1-13, 2026(13 of 13 days covered by obs)
NOAA Normal
0.66"
Departure from Normal
-0.48" : 27% of Normal
Year-To-Date: 1.22"
Jan 1 to Sep 13, 2026(76 of 256 days covered by obs)
NOAA Normal
14.52"
Departure from Normal
-13.30" : 8% of Normal
Water Year-To-Date: 1.22"
Oct 1, 2025 to Sep 13, 2026(76 of 348 days covered by obs)
NOAA Normal
17.53"
Departure from Normal
-16.31" : 7% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.65
0.68
-0.03
Feb
0.85
0.81
0.04
Mar
1.74
1.74
0.00
Apr
2.56
2.63
-0.07
May
2.76
2.92
-0.16
Jun
1.86
1.82
0.04
Jul
1.77
1.69
0.08
Aug
1.67
1.53
0.14
Sep
1.53
2.03
-0.50
Oct
1.36
1.45
-0.09
Nov
1.00
0.99
0.01
Dec
0.65
0.68
-0.03
18.40
18.97
-0.57