Viewing Station: MT-SN-4 : Thompson Falls 9.3 NW
Dec 1, 2007 - Sep 15, 20256,412 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.58"
September 1-16, 2025(15 of 16 days covered by obs)
NOAA Normal
0.61"
Departure from Normal
-0.03" : 95% of Normal
Year-To-Date: 11.91"
Jan 1 to Sep 16, 2025(256 of 259 days covered by obs)
NOAA Normal
15.44"
Departure from Normal
-3.53" : 77% of Normal
Water Year-To-Date: 16.82"
Oct 1, 2024 to Sep 16, 2025(348 of 351 days covered by obs)
NOAA Normal
23.65"
Departure from Normal
-6.83" : 71% 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