Viewing Station: CO-JF-430 : Arvada 1.4 NNW
May 27, 2014 - May 12, 20264,321 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
September 1-21, 2026(0 of 21 days covered by obs)
NOAA Normal
0.95"
Departure from Normal
-0.95" : 0% of Normal
Year-To-Date: 2.96"
Jan 1 to Sep 21, 2026(132 of 264 days covered by obs)
NOAA Normal
14.03"
Departure from Normal
-11.07" : 21% of Normal
Water Year-To-Date: 4.29"
Oct 1, 2025 to Sep 21, 2026(224 of 356 days covered by obs)
NOAA Normal
16.72"
Departure from Normal
-12.43" : 26% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.62
0.52
0.10
Feb
0.81
0.64
0.17
Mar
1.43
1.20
0.23
Apr
2.30
2.16
0.14
May
2.67
2.40
0.27
Jun
1.77
1.74
0.03
Jul
1.87
1.70
0.17
Aug
1.61
1.59
0.02
Sep
1.36
1.32
0.04
Oct
1.18
1.08
0.10
Nov
0.95
0.81
0.14
Dec
0.56
0.54
0.02
17.13
15.70
1.43