Viewing Station: WA-BT-13 : Richland 0.8 SW
Oct 1, 2011 - Dec 9, 20255,171 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.36"
December 1-10, 2025(9 of 10 days covered by obs)
NOAA Normal
0.35"
Departure from Normal
0.01" : 104% of Normal
Year-To-Date: 8.07"
Jan 1 to Dec 10, 2025(340 of 344 days covered by obs)
NOAA Normal
6.67"
Departure from Normal
1.40" : 121% of Normal
Water Year-To-Date: 2.71"
Oct 1, 2025 to Dec 10, 2025(68 of 71 days covered by obs)
NOAA Normal
1.79"
Departure from Normal
0.92" : 152% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.04
1.09
-0.05
Feb
0.72
0.76
-0.04
Mar
0.62
0.62
0.00
Apr
0.60
0.62
-0.02
May
0.69
0.70
-0.01
Jun
0.57
0.57
0.00
Jul
0.20
0.18
0.02
Aug
0.16
0.15
0.01
Sep
0.28
0.24
0.04
Oct
0.60
0.61
-0.01
Nov
0.84
0.89
-0.05
Dec
1.07
1.16
-0.09
7.39
7.59
-0.20