Viewing Station: MT-SN-4 : Thompson Falls 9.3 NW
Dec 1, 2007 - May 18, 20266,643 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 0.67"
May 1-18, 2026(16 of 18 days covered by obs)
NOAA Normal
1.21"
Departure from Normal
-0.54" : 55% of Normal
Year-To-Date: 9.50"
Jan 1 to May 18, 2026(135 of 138 days covered by obs)
NOAA Normal
10.00"
Departure from Normal
-0.50" : 95% of Normal
Water Year-To-Date: 21.21"
Oct 1, 2025 to May 18, 2026(222 of 230 days covered by obs)
NOAA Normal
18.21"
Departure from Normal
3.00" : 116% 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