Viewing Station: CO-AD-216 : Thornton 6.2 NNE
Jun 19, 2015 - Sep 18, 20253,756 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.56"
September 1-18, 2025(17 of 18 days covered by obs)
NOAA Normal
0.71"
Departure from Normal
-0.15" : 79% of Normal
Year-To-Date: 8.60"
Jan 1 to Sep 18, 2025(259 of 261 days covered by obs)
NOAA Normal
11.35"
Departure from Normal
-2.75" : 76% of Normal
Water Year-To-Date: 10.00"
Oct 1, 2024 to Sep 18, 2025(351 of 353 days covered by obs)
NOAA Normal
13.40"
Departure from Normal
-3.40" : 75% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.44
0.39
0.05
Feb
0.46
0.46
0.00
Mar
0.93
1.02
-0.09
Apr
1.80
1.80
0.00
May
2.35
2.11
0.24
Jun
1.49
1.41
0.08
Jul
1.70
1.45
0.25
Aug
1.47
1.47
0.00
Sep
1.18
1.19
-0.01
Oct
0.97
1.06
-0.09
Nov
0.67
0.72
-0.05
Dec
0.41
0.44
-0.03
13.87
13.52
0.35