March 1931 - February 1936 Washington Divisional Precipitation
-99
1901-2000 base period
Inches
125 years
1901-2000
4501
West Olympic Coast
1
45
Washington
WA
604.98
62.51
119
542.47
4502
North East Olympic San Juan
2
45
Washington
WA
146.02
7.03
90
138.99
4503
Puget Sound Lowlands
3
45
Washington
WA
236.73
20.09
113
216.64
4504
East Olympic Cascade Foothills
4
45
Washington
WA
402.54
33.33
113
369.21
4505
Cascade Mountains West
5
45
Washington
WA
478.19
46.12
113
432.07
4506
East Slope Cascades
6
45
Washington
WA
195.64
10.51
95
185.13
4507
Okanogan Big Bend
7
45
Washington
WA
58.08
-7.72
17
65.8
4508
Central Basin
8
45
Washington
WA
45.24
-5.6
10
50.84
4509
Northeastern
9
45
Washington
WA
106.05
-6.19
32
112.24
4510
Palouse Blue Mountains
10
45
Washington
WA
96.67
-1.85
55
98.52