Viewing Station: CO-JF-555 : Arvada 0.7 NNE
Jan 1, 2022 - Sep 30, 20261,333 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.13"
September 1-30, 2026(23 of 30 days covered by obs)
NOAA Normal
1.34"
Departure from Normal
-0.21" : 84% of Normal
Year-To-Date: 5.92"
Jan 1 to Sep 30, 2026(174 of 273 days covered by obs)
NOAA Normal
14.40"
Departure from Normal
-8.48" : 41% of Normal
Water Year-To-Date: 7.08"
Oct 1, 2025 to Sep 30, 2026(252 of 365 days covered by obs)
NOAA Normal
17.06"
Departure from Normal
-9.98" : 42% 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
1.24
0.19
Apr
2.28
2.14
0.14
May
2.67
2.44
0.23
Jun
1.78
1.72
0.06
Jul
1.89
1.69
0.20
Aug
1.60
1.59
0.01
Sep
1.34
1.30
0.04
Oct
1.16
1.12
0.04
Nov
0.95
0.79
0.16
Dec
0.55
0.53
0.02
17.06
15.72
1.34