Viewing Station: CO-BO-349 : Boulder 1.2 N
May 8, 2013 - Sep 13, 2026444 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 0.69"
September 1-13, 2026(8 of 13 days covered by obs)
NOAA Normal
0.65"
Departure from Normal
0.04" : 106% of Normal
Year-To-Date: 5.10"
Jan 1 to Sep 13, 2026(47 of 256 days covered by obs)
NOAA Normal
14.30"
Departure from Normal
-9.20" : 36% of Normal
Water Year-To-Date: 5.10"
Oct 1, 2025 to Sep 13, 2026(47 of 348 days covered by obs)
NOAA Normal
17.12"
Departure from Normal
-12.02" : 30% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.61
0.64
-0.03
Feb
0.80
0.78
0.02
Mar
1.68
1.69
-0.01
Apr
2.48
2.57
-0.09
May
2.78
2.88
-0.10
Jun
1.87
1.85
0.02
Jul
1.77
1.63
0.14
Aug
1.66
1.54
0.12
Sep
1.50
1.98
-0.48
Oct
1.29
1.41
-0.12
Nov
0.92
0.94
-0.02
Dec
0.61
0.65
-0.04
17.97
18.56
-0.59