Viewing Station: AL-SH-67 : Helena 1.2 SE
Sep 6, 2019 - Aug 10, 20261,940 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.97"
August 1-10, 2026(10 of 10 days covered by obs)
NOAA Normal
1.31"
Departure from Normal
-0.34" : 74% of Normal
Year-To-Date: 33.59"
Jan 1 to Aug 10, 2026(180 of 222 days covered by obs)
NOAA Normal
35.79"
Departure from Normal
-2.20" : 94% of Normal
Water Year-To-Date: 40.81"
Oct 1, 2025 to Aug 10, 2026(255 of 314 days covered by obs)
NOAA Normal
48.71"
Departure from Normal
-7.90" : 84% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
5.23
5.22
0.01
Feb
5.41
5.38
0.03
Mar
5.34
5.25
0.09
Apr
4.96
5.12
-0.16
May
4.14
4.23
-0.09
Jun
4.58
4.62
-0.04
Jul
4.82
4.46
0.36
Aug
4.07
4.35
-0.28
Sep
3.99
4.08
-0.09
Oct
3.36
3.30
0.06
Nov
4.55
4.46
0.09
Dec
5.01
5.08
-0.07
55.46
55.55
-0.09