Viewing Station: MT-CS-11 : Ismay 3.4 NE
Nov 16, 2011 - Sep 20, 20265,126 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.11"
September 1-21, 2026(20 of 21 days covered by obs)
NOAA Normal
0.99"
Departure from Normal
0.12" : 112% of Normal
Year-To-Date: 10.16"
Jan 1 to Sep 21, 2026(258 of 264 days covered by obs)
NOAA Normal
12.40"
Departure from Normal
-2.24" : 82% of Normal
Water Year-To-Date: 14.35"
Oct 1, 2025 to Sep 21, 2026(348 of 356 days covered by obs)
NOAA Normal
14.38"
Departure from Normal
-0.03" : 100% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.38
0.40
-0.02
Feb
0.38
0.35
0.03
Mar
0.59
0.59
0.00
Apr
1.58
1.51
0.07
May
2.78
2.60
0.18
Jun
2.53
2.86
-0.33
Jul
1.96
1.97
-0.01
Aug
1.21
1.36
-0.15
Sep
1.41
1.30
0.11
Oct
1.14
1.05
0.09
Nov
0.47
0.47
0.00
Dec
0.37
0.33
0.04
14.80
14.79
0.01