Viewing Station: CO-JF-504 : Arvada 3.6 WSW
Mar 30, 2005 - Sep 13, 20253,293 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.10"
September 1-13, 2025(13 of 13 days covered by obs)
NOAA Normal
0.60"
Departure from Normal
-0.50" : 17% of Normal
Year-To-Date: 12.89"
Jan 1 to Sep 13, 2025(255 of 256 days covered by obs)
NOAA Normal
13.83"
Departure from Normal
-0.94" : 93% of Normal
Water Year-To-Date: 16.19"
Oct 1, 2024 to Sep 13, 2025(346 of 348 days covered by obs)
NOAA Normal
16.51"
Departure from Normal
-0.32" : 98% 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