Viewing Station: ID-AD-11 : Boise 6.1 SW
Mar 16, 2009 - Sep 14, 20266,353 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.45"
September 1-14, 2026(14 of 14 days covered by obs)
NOAA Normal
0.21"
Departure from Normal
0.24" : 214% of Normal
Year-To-Date: 8.76"
Jan 1 to Sep 14, 2026(257 of 257 days covered by obs)
NOAA Normal
8.35"
Departure from Normal
0.41" : 105% of Normal
Water Year-To-Date: 12.44"
Oct 1, 2025 to Sep 14, 2026(349 of 349 days covered by obs)
NOAA Normal
12.29"
Departure from Normal
0.15" : 101% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.56
1.39
0.17
Feb
1.16
0.96
0.20
Mar
1.39
1.34
0.05
Apr
1.34
1.18
0.16
May
1.47
1.46
0.01
Jun
0.83
0.75
0.08
Jul
0.22
0.23
-0.01
Aug
0.17
0.19
-0.02
Sep
0.45
0.41
0.04
Oct
0.91
0.78
0.13
Nov
1.33
1.16
0.17
Dec
1.70
1.54
0.16
12.53
11.39
1.14