Viewing Station: CO-BO-521 : Boulder 1.4 W
Dec 30, 2019 - Dec 28, 20251,899 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 0.95"
December 1-28, 2025(28 of 28 days covered by obs)
NOAA Normal
0.59"
Departure from Normal
0.36" : 162% of Normal
Year-To-Date: 14.46"
Jan 1 to Dec 28, 2025(298 of 362 days covered by obs)
NOAA Normal
18.34"
Departure from Normal
-3.88" : 79% of Normal
Water Year-To-Date: 1.54"
Oct 1, 2025 to Dec 28, 2025(81 of 89 days covered by obs)
NOAA Normal
2.95"
Departure from Normal
-1.41" : 52% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.65
0.66
-0.01
Feb
0.85
0.85
0.00
Mar
1.74
1.78
-0.04
Apr
2.56
2.68
-0.12
May
2.76
2.99
-0.23
Jun
1.86
1.96
-0.10
Jul
1.77
1.67
0.10
Aug
1.67
1.56
0.11
Sep
1.53
2.03
-0.50
Oct
1.36
1.52
-0.16
Nov
1.00
0.97
0.03
Dec
0.65
0.70
-0.05
18.40
19.37
-0.97