Viewing Station: CO-WE-137 : Greeley 1.8 N
Jul 21, 2001 - Sep 20, 20267,660 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.18"
September 1-20, 2026(20 of 20 days covered by obs)
NOAA Normal
0.84"
Departure from Normal
-0.66" : 21% of Normal
Year-To-Date: 5.61"
Jan 1 to Sep 20, 2026(256 of 263 days covered by obs)
NOAA Normal
11.53"
Departure from Normal
-5.92" : 49% of Normal
Water Year-To-Date: 6.30"
Oct 1, 2025 to Sep 20, 2026(347 of 355 days covered by obs)
NOAA Normal
13.52"
Departure from Normal
-7.22" : 47% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.33
0.38
-0.05
Feb
0.41
0.38
0.03
Mar
0.76
0.87
-0.11
Apr
1.64
1.65
-0.01
May
2.52
2.54
-0.02
Jun
1.75
1.66
0.09
Jul
1.60
1.39
0.21
Aug
1.68
1.42
0.26
Sep
1.26
1.14
0.12
Oct
1.06
1.06
0.00
Nov
0.53
0.62
-0.09
Dec
0.40
0.43
-0.03
13.94
13.54
0.40