Viewing Station: CO-CH-34 : Arapahoe 8.4 NNE
Jun 1, 2013 - Sep 17, 2025967 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.33"
September 1-17, 2025(4 of 17 days covered by obs)
NOAA Normal
0.69"
Departure from Normal
-0.36" : 48% of Normal
Year-To-Date: 17.05"
Jan 1 to Sep 17, 2025(59 of 260 days covered by obs)
NOAA Normal
15.19"
Departure from Normal
1.86" : 112% of Normal
Water Year-To-Date: 21.16"
Oct 1, 2024 to Sep 17, 2025(68 of 352 days covered by obs)
NOAA Normal
17.29"
Departure from Normal
3.87" : 122% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.30
0.30
0.00
Feb
0.40
0.42
-0.02
Mar
0.80
0.81
-0.01
Apr
1.59
1.57
0.02
May
2.56
2.40
0.16
Jun
2.67
2.54
0.13
Jul
3.31
3.13
0.18
Aug
2.87
2.87
0.00
Sep
1.21
1.26
-0.05
Oct
1.23
1.24
-0.01
Nov
0.50
0.46
0.04
Dec
0.37
0.39
-0.02
17.81
17.39
0.42