Viewing Station: CO-WE-66 : Greeley 1.1 ENE
May 11, 1999 - Sep 20, 20265,738 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.10"
September 1-20, 2026(20 of 20 days covered by obs)
NOAA Normal
0.83"
Departure from Normal
-0.73" : 12% of Normal
Year-To-Date: 5.75"
Jan 1 to Sep 20, 2026(262 of 263 days covered by obs)
NOAA Normal
11.44"
Departure from Normal
-5.69" : 50% of Normal
Water Year-To-Date: 6.41"
Oct 1, 2025 to Sep 20, 2026(352 of 355 days covered by obs)
NOAA Normal
13.45"
Departure from Normal
-7.04" : 48% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.33
0.38
-0.05
Feb
0.40
0.39
0.01
Mar
0.77
0.88
-0.11
Apr
1.65
1.68
-0.03
May
2.50
2.55
-0.05
Jun
1.74
1.65
0.09
Jul
1.59
1.41
0.18
Aug
1.63
1.42
0.21
Sep
1.24
1.15
0.09
Oct
1.06
1.07
-0.01
Nov
0.55
0.63
-0.08
Dec
0.40
0.44
-0.04
13.86
13.65
0.21