Viewing Station: MT-SW-13 : Columbus 6.0 SSE
May 1, 2015 - Sep 16, 20253,610 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.28"
September 1-16, 2025(15 of 16 days covered by obs)
NOAA Normal
0.71"
Departure from Normal
-0.43" : 39% of Normal
Year-To-Date: 14.06"
Jan 1 to Sep 16, 2025(254 of 259 days covered by obs)
NOAA Normal
11.49"
Departure from Normal
2.57" : 122% of Normal
Water Year-To-Date: 15.08"
Oct 1, 2024 to Sep 16, 2025(345 of 351 days covered by obs)
NOAA Normal
14.27"
Departure from Normal
0.81" : 106% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.60
0.56
0.04
Feb
0.62
0.76
-0.14
Mar
0.91
1.07
-0.16
Apr
1.82
2.11
-0.29
May
2.58
3.39
-0.81
Jun
2.14
2.45
-0.31
Jul
1.17
1.29
-0.12
Aug
0.94
1.02
-0.08
Sep
1.34
1.37
-0.03
Oct
1.44
1.69
-0.25
Nov
0.71
0.77
-0.06
Dec
0.63
0.70
-0.07
14.90
17.18
-2.28