Viewing Station: CO-AR-259 : Aurora 4.0 SSE
Apr 18, 2013 - Sep 19, 20263,946 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.19"
September 1-20, 2026(19 of 20 days covered by obs)
NOAA Normal
0.81"
Departure from Normal
0.38" : 146% of Normal
Year-To-Date: 7.32"
Jan 1 to Sep 20, 2026(259 of 263 days covered by obs)
NOAA Normal
12.97"
Departure from Normal
-5.65" : 56% of Normal
Water Year-To-Date: 8.36"
Oct 1, 2025 to Sep 20, 2026(347 of 355 days covered by obs)
NOAA Normal
15.17"
Departure from Normal
-6.81" : 55% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.44
0.60
-0.16
Feb
0.48
0.66
-0.18
Mar
1.09
1.49
-0.40
Apr
1.81
2.24
-0.43
May
2.22
2.37
-0.15
Jun
1.86
1.95
-0.09
Jul
2.35
2.14
0.21
Aug
1.91
2.11
-0.20
Sep
1.22
1.45
-0.23
Oct
1.02
1.19
-0.17
Nov
0.71
0.92
-0.21
Dec
0.47
0.65
-0.18
15.58
17.77
-2.19