Viewing Station: MT-MH-18 : Roundup 1.8 NNE
Jan 27, 2013 - Sep 19, 20264,808 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.49"
September 1-19, 2026(19 of 19 days covered by obs)
NOAA Normal
0.75"
Departure from Normal
1.74" : 333% of Normal
Year-To-Date: 10.62"
Jan 1 to Sep 19, 2026(258 of 262 days covered by obs)
NOAA Normal
12.17"
Departure from Normal
-1.55" : 87% of Normal
Water Year-To-Date: 14.25"
Oct 1, 2025 to Sep 19, 2026(350 of 354 days covered by obs)
NOAA Normal
14.28"
Departure from Normal
-0.03" : 100% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.42
0.40
0.02
Feb
0.41
0.38
0.03
Mar
0.69
0.68
0.01
Apr
1.64
1.62
0.02
May
2.76
2.54
0.22
Jun
2.83
2.89
-0.06
Jul
1.53
1.63
-0.10
Aug
1.14
1.15
-0.01
Sep
1.18
1.11
0.07
Oct
1.15
1.11
0.04
Nov
0.51
0.45
0.06
Dec
0.45
0.44
0.01
14.71
14.40
0.31