Viewing Station: MT-YS-28 : Billings 4.2 WSW
Oct 6, 2014 - Sep 12, 20263,569 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.53"
September 1-12, 2026(12 of 12 days covered by obs)
NOAA Normal
0.52"
Departure from Normal
1.01" : 292% of Normal
Year-To-Date: 7.33"
Jan 1 to Sep 12, 2026(233 of 255 days covered by obs)
NOAA Normal
10.94"
Departure from Normal
-3.61" : 67% of Normal
Water Year-To-Date: 10.54"
Oct 1, 2025 to Sep 12, 2026(324 of 347 days covered by obs)
NOAA Normal
13.48"
Departure from Normal
-2.94" : 78% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.51
0.51
0.00
Feb
0.54
0.55
-0.01
Mar
0.90
0.93
-0.03
Apr
1.74
1.76
-0.02
May
2.42
2.37
0.05
Jun
2.23
2.17
0.06
Jul
1.23
1.21
0.02
Aug
0.85
0.80
0.05
Sep
1.31
1.36
-0.05
Oct
1.39
1.44
-0.05
Nov
0.60
0.58
0.02
Dec
0.55
0.59
-0.04
14.27
14.27
0.00