Viewing Station: MT-YS-27 : Billings 3.2 NNE
Jul 4, 2014 - Oct 20, 20253,778 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.29"
October 1-21, 2025(20 of 21 days covered by obs)
NOAA Normal
0.89"
Departure from Normal
1.40" : 258% of Normal
Year-To-Date: 17.54"
Jan 1 to Oct 21, 2025(287 of 294 days covered by obs)
NOAA Normal
12.36"
Departure from Normal
5.18" : 142% of Normal
Water Year-To-Date: 2.29"
Oct 1, 2025 to Oct 21, 2025(20 of 21 days covered by obs)
NOAA Normal
0.89"
Departure from Normal
1.40" : 258% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.51
0.51
0.00
Feb
0.51
0.52
-0.01
Mar
0.86
0.91
-0.05
Apr
1.60
1.79
-0.19
May
2.38
2.37
0.01
Jun
2.25
2.09
0.16
Jul
1.23
1.19
0.04
Aug
0.89
0.85
0.04
Sep
1.24
1.37
-0.13
Oct
1.31
1.45
-0.14
Nov
0.59
0.55
0.04
Dec
0.53
0.57
-0.04
13.90
14.17
-0.27