Viewing Station: MT-SN-4 : Thompson Falls 9.3 NW
Dec 1, 2007 - Oct 20, 20256,446 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.39"
October 1-20, 2025(19 of 20 days covered by obs)
NOAA Normal
1.54"
Departure from Normal
0.85" : 155% of Normal
Year-To-Date: 14.53"
Jan 1 to Oct 20, 2025(290 of 293 days covered by obs)
NOAA Normal
17.51"
Departure from Normal
-2.98" : 83% of Normal
Water Year-To-Date: 2.39"
Oct 1, 2025 to Oct 20, 2025(19 of 20 days covered by obs)
NOAA Normal
1.54"
Departure from Normal
0.85" : 155% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.71
2.85
-0.14
Feb
2.09
2.33
-0.24
Mar
2.16
2.43
-0.27
Apr
1.83
1.83
0.00
May
2.08
2.19
-0.11
Jun
2.27
2.26
0.01
Jul
0.84
0.93
-0.09
Aug
0.85
0.84
0.01
Sep
1.14
1.00
0.14
Oct
2.39
2.27
0.12
Nov
2.97
3.05
-0.08
Dec
2.85
2.71
0.14
24.18
24.69
-0.51