Viewing Station: MT-GN-12 : Bozeman 4.4 SSE
Sep 5, 2016 - Sep 18, 20252,033 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.14"
September 1-18, 2025(18 of 18 days covered by obs)
NOAA Normal
0.91"
Departure from Normal
0.23" : 126% of Normal
Year-To-Date: 18.05"
Jan 1 to Sep 18, 2025(255 of 261 days covered by obs)
NOAA Normal
15.20"
Departure from Normal
2.85" : 119% of Normal
Water Year-To-Date: 22.85"
Oct 1, 2024 to Sep 18, 2025(347 of 353 days covered by obs)
NOAA Normal
19.63"
Departure from Normal
3.22" : 116% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.07
0.92
0.15
Feb
1.04
1.09
-0.05
Mar
1.37
1.67
-0.30
Apr
2.22
2.79
-0.57
May
2.80
3.26
-0.46
Jun
3.06
3.42
-0.36
Jul
1.41
1.44
-0.03
Aug
1.32
1.41
-0.09
Sep
1.51
1.61
-0.10
Oct
1.83
2.03
-0.20
Nov
1.36
1.48
-0.12
Dec
1.24
1.29
-0.05
20.23
22.41
-2.18