Viewing Station: WA-AD-11 : Ritzville 7.1 WNW
Nov 20, 2017 - Sep 17, 20252,834 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.13"
September 1-17, 2025(17 of 17 days covered by obs)
NOAA Normal
0.22"
Departure from Normal
-0.09" : 60% of Normal
Year-To-Date: 5.55"
Jan 1 to Sep 17, 2025(258 of 260 days covered by obs)
NOAA Normal
7.48"
Departure from Normal
-1.93" : 74% of Normal
Water Year-To-Date: 11.51"
Oct 1, 2024 to Sep 17, 2025(350 of 352 days covered by obs)
NOAA Normal
11.68"
Departure from Normal
-0.17" : 99% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.56
1.51
0.05
Feb
1.07
1.04
0.03
Mar
1.24
1.24
0.00
Apr
0.93
0.90
0.03
May
1.06
1.03
0.03
Jun
0.81
0.82
-0.01
Jul
0.35
0.31
0.04
Aug
0.24
0.28
-0.04
Sep
0.38
0.38
0.00
Oct
1.00
0.97
0.03
Nov
1.50
1.38
0.12
Dec
1.70
1.55
0.15
11.84
11.41
0.43