Viewing Station: MT-GN-11 : Bozeman 1.5 SSE
Oct 8, 2013 - Sep 17, 20254,714 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.13"
September 1-17, 2025(17 of 17 days covered by obs)
NOAA Normal
0.78"
Departure from Normal
0.35" : 146% of Normal
Year-To-Date: 18.17"
Jan 1 to Sep 17, 2025(260 of 260 days covered by obs)
NOAA Normal
13.70"
Departure from Normal
4.47" : 133% of Normal
Water Year-To-Date: 22.09"
Oct 1, 2024 to Sep 17, 2025(352 of 352 days covered by obs)
NOAA Normal
17.30"
Departure from Normal
4.79" : 128% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.75
0.88
-0.13
Feb
0.74
0.85
-0.11
Mar
1.17
1.42
-0.25
Apr
2.19
2.51
-0.32
May
2.69
2.87
-0.18
Jun
2.93
3.16
-0.23
Jul
1.27
1.32
-0.05
Aug
1.18
1.29
-0.11
Sep
1.37
1.40
-0.03
Oct
1.65
1.85
-0.20
Nov
1.09
1.27
-0.18
Dec
0.86
1.06
-0.20
17.89
19.88
-1.99