Viewing Station: MT-FH-17 : Columbia Falls 7.7 S
Nov 5, 2009 - Oct 15, 20255,742 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.33"
October 1-15, 2025(15 of 15 days covered by obs)
NOAA Normal
0.90"
Departure from Normal
0.43" : 149% of Normal
Year-To-Date: 15.38"
Jan 1 to Oct 15, 2025(283 of 288 days covered by obs)
NOAA Normal
15.03"
Departure from Normal
0.35" : 102% of Normal
Water Year-To-Date: 1.33"
Oct 1, 2025 to Oct 15, 2025(15 of 15 days covered by obs)
NOAA Normal
0.90"
Departure from Normal
0.43" : 149% 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