Viewing Station: CO-JF-617 : Arvada 1.1 ENE
Aug 3, 2025 - Sep 30, 2026396 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.20"
September 1-30, 2026(30 of 30 days covered by obs)
NOAA Normal
1.34"
Departure from Normal
-0.14" : 90% of Normal
Year-To-Date: 7.68"
Jan 1 to Sep 30, 2026(272 of 273 days covered by obs)
NOAA Normal
14.40"
Departure from Normal
-6.72" : 53% of Normal
Water Year-To-Date: 8.91"
Oct 1, 2025 to Sep 30, 2026(363 of 365 days covered by obs)
NOAA Normal
17.06"
Departure from Normal
-8.15" : 52% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.61
0.53
0.08
Feb
0.80
0.63
0.17
Mar
1.43
1.28
0.15
Apr
2.28
2.14
0.14
May
2.67
2.50
0.17
Jun
1.78
1.68
0.10
Jul
1.89
1.68
0.21
Aug
1.60
1.62
-0.02
Sep
1.34
1.27
0.07
Oct
1.16
1.15
0.01
Nov
0.95
0.81
0.14
Dec
0.55
0.51
0.04
17.06
15.80
1.26