Viewing Station: ID-AD-9 : Boise 2.1 NNE
Apr 2, 2009 - Oct 18, 20256,277 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.31"
October 1-18, 2025(18 of 18 days covered by obs)
NOAA Normal
0.59"
Departure from Normal
0.72" : 223% of Normal
Year-To-Date: 11.57"
Jan 1 to Oct 18, 2025(291 of 291 days covered by obs)
NOAA Normal
10.44"
Departure from Normal
1.13" : 111% of Normal
Water Year-To-Date: 1.31"
Oct 1, 2025 to Oct 18, 2025(18 of 18 days covered by obs)
NOAA Normal
0.59"
Departure from Normal
0.72" : 223% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.91
1.67
0.24
Feb
1.35
1.16
0.19
Mar
1.60
1.55
0.05
Apr
1.55
1.31
0.24
May
1.60
1.64
-0.04
Jun
0.90
0.95
-0.05
Jul
0.25
0.29
-0.04
Aug
0.20
0.21
-0.01
Sep
0.49
0.42
0.07
Oct
1.01
0.89
0.12
Nov
1.58
1.37
0.21
Dec
2.07
1.85
0.22
14.51
13.31
1.20