Viewing Station: WA-BT-31 : Richland 2.7 S
Dec 13, 2023 - Dec 10, 2025355 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.67"
December 1-11, 2025(10 of 11 days covered by obs)
NOAA Normal
0.38"
Departure from Normal
0.29" : 176% of Normal
Year-To-Date: 6.64"
Jan 1 to Dec 11, 2025(159 of 345 days covered by obs)
NOAA Normal
6.70"
Departure from Normal
-0.06" : 99% of Normal
Water Year-To-Date: 1.96"
Oct 1, 2025 to Dec 11, 2025(37 of 72 days covered by obs)
NOAA Normal
1.82"
Departure from Normal
0.14" : 108% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.04
1.10
-0.06
Feb
0.72
0.77
-0.05
Mar
0.62
0.63
-0.01
Apr
0.60
0.63
-0.03
May
0.69
0.72
-0.03
Jun
0.57
0.58
-0.01
Jul
0.20
0.18
0.02
Aug
0.16
0.16
0.00
Sep
0.28
0.24
0.04
Oct
0.60
0.62
-0.02
Nov
0.84
0.90
-0.06
Dec
1.07
1.17
-0.10
7.39
7.70
-0.31