Viewing Station: MT-YS-28 : Billings 4.2 WSW
Oct 6, 2014 - May 18, 20263,497 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.25"
May 1-18, 2026(18 of 18 days covered by obs)
NOAA Normal
1.41"
Departure from Normal
-1.16" : 18% of Normal
Year-To-Date: 1.06"
Jan 1 to May 18, 2026(118 of 138 days covered by obs)
NOAA Normal
5.10"
Departure from Normal
-4.04" : 21% of Normal
Water Year-To-Date: 4.27"
Oct 1, 2025 to May 18, 2026(209 of 230 days covered by obs)
NOAA Normal
7.64"
Departure from Normal
-3.37" : 56% 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