Viewing Station: ID-ID-1 : Grangeville 0.4 SW
Jan 1, 2009 - Sep 22, 20266,387 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.75"
September 1-23, 2026(22 of 23 days covered by obs)
NOAA Normal
0.90"
Departure from Normal
1.85" : 307% of Normal
Year-To-Date: 15.34"
Jan 1 to Sep 23, 2026(265 of 266 days covered by obs)
NOAA Normal
16.26"
Departure from Normal
-0.92" : 94% of Normal
Water Year-To-Date: 21.38"
Oct 1, 2025 to Sep 23, 2026(357 of 358 days covered by obs)
NOAA Normal
21.58"
Departure from Normal
-0.20" : 99% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.38
1.26
0.12
Feb
1.43
1.37
0.06
Mar
2.25
2.43
-0.18
Apr
2.76
2.91
-0.15
May
3.07
3.52
-0.45
Jun
2.64
3.05
-0.41
Jul
1.02
1.13
-0.11
Aug
0.81
0.98
-0.17
Sep
1.17
1.25
-0.08
Oct
1.82
1.90
-0.08
Nov
1.92
1.97
-0.05
Dec
1.58
1.51
0.07
21.85
23.28
-1.43