Viewing Station: CO-JF-593 : Arvada 3.1 NW
Jul 10, 2023 - Sep 30, 20261,048 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.23"
September 1-30, 2026(26 of 30 days covered by obs)
NOAA Normal
1.40"
Departure from Normal
-0.17" : 88% of Normal
Year-To-Date: 8.26"
Jan 1 to Sep 30, 2026(237 of 273 days covered by obs)
NOAA Normal
14.56"
Departure from Normal
-6.30" : 57% of Normal
Water Year-To-Date: 9.56"
Oct 1, 2025 to Sep 30, 2026(321 of 365 days covered by obs)
NOAA Normal
17.26"
Departure from Normal
-7.70" : 55% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.63
0.55
0.08
Feb
0.77
0.69
0.08
Mar
1.50
1.33
0.17
Apr
2.33
2.25
0.08
May
2.61
2.44
0.17
Jun
1.80
1.68
0.12
Jul
1.85
1.68
0.17
Aug
1.67
1.63
0.04
Sep
1.40
1.37
0.03
Oct
1.20
1.16
0.04
Nov
0.93
0.89
0.04
Dec
0.57
0.60
-0.03
17.26
16.27
0.99