Viewing Station: ID-AD-21 : Boise City 6.1 SE
Jul 10, 2010 - Aug 31, 20265,765 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
August 1-31, 2026(31 of 31 days covered by obs)
NOAA Normal
0.19"
Departure from Normal
-0.19" : 0% of Normal
Year-To-Date: 7.74"
Jan 1 to Aug 31, 2026(243 of 243 days covered by obs)
NOAA Normal
8.25"
Departure from Normal
-0.51" : 94% of Normal
Water Year-To-Date: 12.27"
Oct 1, 2025 to Aug 31, 2026(335 of 335 days covered by obs)
NOAA Normal
12.29"
Departure from Normal
-0.02" : 100% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.64
1.65
-0.01
Feb
1.12
1.16
-0.04
Mar
1.43
1.50
-0.07
Apr
1.36
1.33
0.03
May
1.49
1.65
-0.16
Jun
0.81
0.94
-0.13
Jul
0.21
0.23
-0.02
Aug
0.19
0.21
-0.02
Sep
0.44
0.44
0.00
Oct
0.89
0.90
-0.01
Nov
1.36
1.28
0.08
Dec
1.79
1.81
-0.02
12.73
13.10
-0.37