Viewing Station: MT-SW-10 : Columbus 8.2 ESE
Aug 19, 2010 - Sep 12, 20265,732 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.07"
September 1-12, 2026(12 of 12 days covered by obs)
NOAA Normal
0.50"
Departure from Normal
-0.43" : 14% of Normal
Year-To-Date: 8.00"
Jan 1 to Sep 12, 2026(254 of 255 days covered by obs)
NOAA Normal
10.47"
Departure from Normal
-2.47" : 76% of Normal
Water Year-To-Date: 11.96"
Oct 1, 2025 to Sep 12, 2026(345 of 347 days covered by obs)
NOAA Normal
13.01"
Departure from Normal
-1.05" : 92% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.52
0.53
-0.01
Feb
0.51
0.60
-0.09
Mar
0.81
0.92
-0.11
Apr
1.71
1.94
-0.23
May
2.38
2.78
-0.40
Jun
2.04
2.13
-0.09
Jul
1.12
1.10
0.02
Aug
0.88
0.89
-0.01
Sep
1.26
1.33
-0.07
Oct
1.35
1.57
-0.22
Nov
0.65
0.77
-0.12
Dec
0.54
0.65
-0.11
13.77
15.21
-1.44