Viewing Station: CO-JF-504 : Arvada 3.6 WSW
Mar 30, 2005 - Sep 23, 20263,668 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.72"
September 1-23, 2026(23 of 23 days covered by obs)
NOAA Normal
1.06"
Departure from Normal
-0.34" : 68% of Normal
Year-To-Date: 7.54"
Jan 1 to Sep 23, 2026(266 of 266 days covered by obs)
NOAA Normal
14.29"
Departure from Normal
-6.75" : 53% of Normal
Water Year-To-Date: 8.89"
Oct 1, 2025 to Sep 23, 2026(358 of 358 days covered by obs)
NOAA Normal
16.97"
Departure from Normal
-8.08" : 52% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.62
0.57
0.05
Feb
0.77
0.70
0.07
Mar
1.51
1.37
0.14
Apr
2.31
2.29
0.02
May
2.63
2.46
0.17
Jun
1.82
1.70
0.12
Jul
1.89
1.69
0.20
Aug
1.68
1.67
0.01
Sep
1.38
1.35
0.03
Oct
1.16
1.15
0.01
Nov
0.95
0.87
0.08
Dec
0.57
0.57
0.00
17.29
16.39
0.90