Viewing Station: CO-JF-332 : Littleton 5.7 SW
Sep 30, 2009 - Sep 20, 20265,494 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.65"
September 1-20, 2026(20 of 20 days covered by obs)
NOAA Normal
0.91"
Departure from Normal
-0.26" : 71% of Normal
Year-To-Date: 10.87"
Jan 1 to Sep 20, 2026(263 of 263 days covered by obs)
NOAA Normal
13.69"
Departure from Normal
-2.82" : 79% of Normal
Water Year-To-Date: 12.83"
Oct 1, 2025 to Sep 20, 2026(355 of 355 days covered by obs)
NOAA Normal
16.47"
Departure from Normal
-3.64" : 78% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.57
0.62
-0.05
Feb
0.68
0.77
-0.09
Mar
1.48
1.63
-0.15
Apr
2.21
2.54
-0.33
May
2.41
2.59
-0.18
Jun
1.74
1.82
-0.08
Jul
1.81
1.93
-0.12
Aug
1.88
1.92
-0.04
Sep
1.37
1.44
-0.07
Oct
1.26
1.34
-0.08
Nov
0.88
1.05
-0.17
Dec
0.64
0.78
-0.14
16.93
18.43
-1.50