Viewing Station: CO-JF-457 : Arvada 3.5 WNW
Sep 1, 2016 - Sep 26, 20263,679 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.31"
September 1-27, 2026(26 of 27 days covered by obs)
NOAA Normal
1.26"
Departure from Normal
0.05" : 104% of Normal
Year-To-Date: 9.63"
Jan 1 to Sep 27, 2026(269 of 270 days covered by obs)
NOAA Normal
14.42"
Departure from Normal
-4.79" : 67% of Normal
Water Year-To-Date: 10.98"
Oct 1, 2025 to Sep 27, 2026(361 of 362 days covered by obs)
NOAA Normal
17.12"
Departure from Normal
-6.14" : 64% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.63
0.56
0.07
Feb
0.77
0.70
0.07
Mar
1.50
1.36
0.14
Apr
2.33
2.28
0.05
May
2.61
2.46
0.15
Jun
1.80
1.68
0.12
Jul
1.85
1.68
0.17
Aug
1.67
1.64
0.03
Sep
1.40
1.39
0.01
Oct
1.20
1.18
0.02
Nov
0.93
0.92
0.01
Dec
0.57
0.62
-0.05
17.26
16.47
0.79