Viewing Station: AL-JF-87 : Helena 1.7 NNW
Oct 1, 2024 - Dec 29, 2025415 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.91"
December 1-29, 2025(28 of 29 days covered by obs)
NOAA Normal
4.65"
Departure from Normal
-2.74" : 41% of Normal
Year-To-Date: 52.04"
Jan 1 to Dec 29, 2025(346 of 363 days covered by obs)
NOAA Normal
55.24"
Departure from Normal
-3.20" : 94% of Normal
Water Year-To-Date: 8.27"
Oct 1, 2025 to Dec 29, 2025(87 of 90 days covered by obs)
NOAA Normal
12.52"
Departure from Normal
-4.25" : 66% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
5.25
5.23
0.02
Feb
5.42
5.35
0.07
Mar
5.33
5.25
0.08
Apr
4.98
5.13
-0.15
May
4.17
4.27
-0.10
Jun
4.64
4.65
-0.01
Jul
4.86
4.50
0.36
Aug
4.08
4.33
-0.25
Sep
3.99
4.11
-0.12
Oct
3.34
3.31
0.03
Nov
4.53
4.47
0.06
Dec
4.97
5.10
-0.13
55.56
55.70
-0.14