Viewing Station: CO-JF-251 : Arvada 3.3 NNW
Jul 15, 2001 - Dec 9, 20255,240 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.46"
December 1-11, 2025(9 of 11 days covered by obs)
NOAA Normal
0.20"
Departure from Normal
0.26" : 231% of Normal
Year-To-Date: 13.30"
Jan 1 to Dec 11, 2025(268 of 345 days covered by obs)
NOAA Normal
16.77"
Departure from Normal
-3.47" : 79% of Normal
Water Year-To-Date: 1.03"
Oct 1, 2025 to Dec 11, 2025(68 of 72 days covered by obs)
NOAA Normal
2.33"
Departure from Normal
-1.30" : 44% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.62
0.52
0.10
Feb
0.81
0.63
0.18
Mar
1.43
1.25
0.18
Apr
2.30
2.12
0.18
May
2.67
2.43
0.24
Jun
1.77
1.69
0.08
Jul
1.87
1.70
0.17
Aug
1.61
1.51
0.10
Sep
1.36
1.29
0.07
Oct
1.18
1.12
0.06
Nov
0.95
0.75
0.20
Dec
0.56
0.52
0.04
17.13
15.53
1.60