Viewing Station: MT-FH-17 : Columbia Falls 7.7 S
Nov 5, 2009 - Dec 10, 20255,798 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.51"
December 1-10, 2025(10 of 10 days covered by obs)
NOAA Normal
0.56"
Departure from Normal
0.95" : 269% of Normal
Year-To-Date: 20.25"
Jan 1 to Dec 10, 2025(339 of 344 days covered by obs)
NOAA Normal
18.40"
Departure from Normal
1.85" : 110% of Normal
Water Year-To-Date: 6.20"
Oct 1, 2025 to Dec 10, 2025(71 of 71 days covered by obs)
NOAA Normal
4.27"
Departure from Normal
1.93" : 145% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.73
1.78
-0.05
Feb
1.15
1.35
-0.20
Mar
1.27
1.39
-0.12
Apr
1.53
1.75
-0.22
May
2.01
2.23
-0.22
Jun
3.01
3.43
-0.42
Jul
1.12
1.20
-0.08
Aug
0.91
0.85
0.06
Sep
1.40
1.35
0.05
Oct
1.85
1.63
0.22
Nov
1.86
1.70
0.16
Dec
1.74
1.86
-0.12
19.58
20.52
-0.94