Viewing Station: WA-BT-7 : Richland 4.4 SSE
Jul 24, 2009 - Sep 17, 20254,346 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 0.10"
September 1-17, 2025(17 of 17 days covered by obs)
NOAA Normal
0.17"
Departure from Normal
-0.07" : 59% of Normal
Year-To-Date: 3.97"
Jan 1 to Sep 17, 2025(203 of 260 days covered by obs)
NOAA Normal
5.05"
Departure from Normal
-1.08" : 79% of Normal
Water Year-To-Date: 6.18"
Oct 1, 2024 to Sep 17, 2025(290 of 352 days covered by obs)
NOAA Normal
7.72"
Departure from Normal
-1.54" : 80% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.11
1.10
0.01
Feb
0.75
0.78
-0.03
Mar
0.65
0.65
0.00
Apr
0.64
0.62
0.02
May
0.75
0.73
0.02
Jun
0.60
0.59
0.01
Jul
0.20
0.19
0.01
Aug
0.18
0.16
0.02
Sep
0.30
0.25
0.05
Oct
0.64
0.64
0.00
Nov
0.90
0.90
0.00
Dec
1.13
1.16
-0.03
7.85
7.77
0.08