Viewing Station: ID-AD-20 : Boise 4.8 ESE
Sep 1, 2010 - Oct 27, 20255,045 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.13"
October 1-28, 2025(27 of 28 days covered by obs)
NOAA Normal
0.80"
Departure from Normal
1.33" : 265% of Normal
Year-To-Date: 12.57"
Jan 1 to Oct 28, 2025(299 of 301 days covered by obs)
NOAA Normal
9.49"
Departure from Normal
3.08" : 132% of Normal
Water Year-To-Date: 2.13"
Oct 1, 2025 to Oct 28, 2025(27 of 28 days covered by obs)
NOAA Normal
0.80"
Departure from Normal
1.33" : 265% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.64
1.64
0.00
Feb
1.12
1.12
0.00
Mar
1.43
1.52
-0.09
Apr
1.36
1.25
0.11
May
1.49
1.62
-0.13
Jun
0.81
0.88
-0.07
Jul
0.21
0.22
-0.01
Aug
0.19
0.20
-0.01
Sep
0.44
0.44
0.00
Oct
0.89
0.89
0.00
Nov
1.36
1.27
0.09
Dec
1.79
1.79
0.00
12.73
12.84
-0.11