Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Washington

Precipitation Rankings, May 1927

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
May 1927
1-Month
2.99"
(75.95mm)
2.25"
(57.15mm)
0.74"
(18.80mm)
98th Driest
Driest since:
1924
31st Wettest
Wettest since:
1948
Apr–May 1927
2-Month
5.01"
(127.25mm)
5.08"
(129.03mm)
-0.07"
(-1.78mm)
60th Driest
Driest since:
1924
69th Wettest
Wettest since:
1948
Mar–May 1927
3-Month
8.28"
(210.31mm)
9.23"
(234.44mm)
-0.95"
(-24.13mm)
42nd Driest
Driest since:
1924
87th Wettest
Wettest since:
2011
Feb–May 1927
4-Month
14.48"
(367.79mm)
13.96"
(354.58mm)
0.52"
(13.21mm)
78th Driest
Driest since:
1973
51st Wettest
Wettest since:
2017
Ties: 1989
Jan–May 1927
5-Month
20.48"
(520.19mm)
20.03"
(508.76mm)
0.45"
(11.43mm)
72nd Driest
Driest since:
1985
57th Wettest
Wettest since:
1961
Ties: 1970
Dec 1926–May 1927
6-Month
25.78"
(654.81mm)
26.54"
(674.12mm)
-0.76"
(-19.31mm)
54th Driest
Driest since:
1985
74th Wettest
Wettest since:
1997
Nov 1926–May 1927
7-Month
32.82"
(833.63mm)
32.67"
(829.82mm)
0.15"
(3.81mm)
61st Driest
Driest since:
1977
67th Wettest
Wettest since:
1974
Ties: 1964
Oct 1926–May 1927
8-Month
37.00"
(939.80mm)
36.36"
(923.54mm)
0.64"
(16.26mm)
65th Driest
Driest since:
1977
63rd Wettest
Wettest since:
1974
Sep 1926–May 1927
9-Month
39.70"
(1,008.38mm)
38.32"
(973.33mm)
1.38"
(35.05mm)
70th Driest
Driest since:
1977
58th Wettest
Wettest since:
1974
Aug 1926–May 1927
10-Month
41.84"
(1,062.74mm)
39.35"
(999.49mm)
2.49"
(63.25mm)
78th Driest
Driest since:
1977
50th Wettest
Wettest since:
1974
Jul 1926–May 1927
11-Month
41.93"
(1,065.02mm)
40.24"
(1,022.10mm)
1.69"
(42.92mm)
74th Driest
Driest since:
1977
54th Wettest
Wettest since:
1974
Jun 1926–May 1927
12-Month
42.76"
(1,086.10mm)
42.13"
(1,070.10mm)
0.63"
(16.00mm)
69th Driest
Driest since:
1977
59th Wettest
Wettest since:
1974
Dec 1925–May 1927
18-Month
64.91"
(1,648.71mm)
68.67"
(1,744.22mm)
-3.76"
(-95.51mm)
45th Driest
Driest since:
1930
82nd Wettest
Wettest since:
1997
Jun 1925–May 1927
24-Month
73.89"
(1,876.81mm)
84.30"
(2,141.22mm)
-10.41"
(-264.41mm)
13th Driest
Driest since:
1930
114th Wettest
Wettest since:
1997
Jun 1924–May 1927
36-Month
117.08"
(2,973.83mm)
126.40"
(3,210.56mm)
-9.32"
(-236.73mm)
26th Driest
Driest since:
1931
100th Wettest
Wettest since:
1998
Jun 1923–May 1927
48-Month
151.06"
(3,836.92mm)
168.49"
(4,279.65mm)
-17.43"
(-442.73mm)
12th Driest
Driest since:
1931
113th Wettest
Wettest since:
1999
Jun 1922–May 1927
60-Month
188.09"
(4,777.49mm)
210.48"
(5,346.19mm)
-22.39"
(-568.70mm)
8th Driest
Driest since:
1930
116th Wettest
Wettest since:
1999

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