Viewing Station: WA-LW-29 : Chehalis 0.0 N
Dec 14, 2018 - Sep 17, 20252,384 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 0.08"
September 1-17, 2025(17 of 17 days covered by obs)
NOAA Normal
1.02"
Departure from Normal
-0.94" : 8% of Normal
Year-To-Date: 16.31"
Jan 1 to Sep 17, 2025(259 of 260 days covered by obs)
NOAA Normal
26.33"
Departure from Normal
-10.02" : 62% of Normal
Water Year-To-Date: 33.93"
Oct 1, 2024 to Sep 17, 2025(351 of 352 days covered by obs)
NOAA Normal
45.15"
Departure from Normal
-11.22" : 75% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
6.67
6.48
0.19
Feb
4.53
4.43
0.10
Mar
5.08
4.78
0.30
Apr
3.63
3.38
0.25
May
2.45
2.33
0.12
Jun
1.57
1.66
-0.09
Jul
0.57
0.53
0.04
Aug
0.81
0.78
0.03
Sep
1.80
1.63
0.17
Oct
4.23
4.09
0.14
Nov
7.26
7.14
0.12
Dec
7.33
6.99
0.34
45.93
44.22
1.71