Viewing Station: CO-JF-471 : Arvada 1.8 NE
Mar 6, 2018 - Sep 30, 20262,888 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.94"
September 1-30, 2026(29 of 30 days covered by obs)
NOAA Normal
1.31"
Departure from Normal
-0.37" : 72% of Normal
Year-To-Date: 7.02"
Jan 1 to Sep 30, 2026(269 of 273 days covered by obs)
NOAA Normal
13.88"
Departure from Normal
-6.86" : 51% of Normal
Water Year-To-Date: 8.33"
Oct 1, 2025 to Sep 30, 2026(357 of 365 days covered by obs)
NOAA Normal
16.47"
Departure from Normal
-8.14" : 51% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.59
0.52
0.07
Feb
0.76
0.62
0.14
Mar
1.31
1.27
0.04
Apr
2.23
2.13
0.10
May
2.61
2.51
0.10
Jun
1.70
1.67
0.03
Jul
1.81
1.67
0.14
Aug
1.56
1.61
-0.05
Sep
1.31
1.27
0.04
Oct
1.16
1.15
0.01
Nov
0.88
0.80
0.08
Dec
0.55
0.51
0.04
16.47
15.73
0.74