Viewing Station: MT-LK-17 : Polson 1.0 SSE
Mar 9, 2021 - Sep 12, 2026554 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.80"
September 1-14, 2026(7 of 14 days covered by obs)
NOAA Normal
0.67"
Departure from Normal
1.13" : 270% of Normal
Year-To-Date: 14.68"
Jan 1 to Sep 14, 2026(58 of 257 days covered by obs)
NOAA Normal
13.18"
Departure from Normal
1.50" : 111% of Normal
Water Year-To-Date: 21.65"
Oct 1, 2025 to Sep 14, 2026(93 of 349 days covered by obs)
NOAA Normal
18.00"
Departure from Normal
3.65" : 120% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.35
1.15
0.20
Feb
1.12
0.87
0.25
Mar
1.27
1.08
0.19
Apr
1.73
1.54
0.19
May
2.28
2.06
0.22
Jun
2.81
2.72
0.09
Jul
1.06
0.89
0.17
Aug
0.89
0.87
0.02
Sep
1.43
1.30
0.13
Oct
1.78
1.68
0.10
Nov
1.58
1.38
0.20
Dec
1.46
1.27
0.19
18.76
16.81
1.95