Viewing Station: ID-AD-78 : Boise City 2.0 WSW
Dec 12, 2023 - Sep 17, 20261,038 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.48"
September 1-20, 2026(17 of 20 days covered by obs)
NOAA Normal
0.29"
Departure from Normal
0.19" : 164% of Normal
Year-To-Date: 9.41"
Jan 1 to Sep 20, 2026(260 of 263 days covered by obs)
NOAA Normal
8.22"
Departure from Normal
1.19" : 114% of Normal
Water Year-To-Date: 13.71"
Oct 1, 2025 to Sep 20, 2026(352 of 355 days covered by obs)
NOAA Normal
12.05"
Departure from Normal
1.66" : 114% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.54
1.51
0.03
Feb
1.08
1.05
0.03
Mar
1.38
1.42
-0.04
Apr
1.30
1.22
0.08
May
1.45
1.49
-0.04
Jun
0.79
0.81
-0.02
Jul
0.22
0.25
-0.03
Aug
0.17
0.20
-0.03
Sep
0.44
0.43
0.01
Oct
0.86
0.83
0.03
Nov
1.29
1.21
0.08
Dec
1.68
1.66
0.02
12.20
12.08
0.12