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 1934

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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
May 1934
1-Month
2.13"
(54.10mm)
2.25"
(57.15mm)
-0.12"
(-3.05mm)
66th Driest
Driest since:
1924
63rd Wettest
Wettest since:
1948
Ties: 1909
Apr–May 1934
2-Month
3.74"
(95.00mm)
5.08"
(129.03mm)
-1.34"
(-34.03mm)
20th Driest
Driest since:
1924
109th Wettest
Wettest since:
1948
Ties: 1938
Mar–May 1934
3-Month
8.42"
(213.87mm)
9.23"
(234.44mm)
-0.81"
(-20.57mm)
46th Driest
Driest since:
1924
83rd Wettest
Wettest since:
2011
Feb–May 1934
4-Month
10.18"
(258.57mm)
13.96"
(354.58mm)
-3.78"
(-96.01mm)
12th Driest
Driest since:
1973
117th Wettest
Wettest since:
2017
Jan–May 1934
5-Month
18.32"
(465.33mm)
20.03"
(508.76mm)
-1.71"
(-43.43mm)
44th Driest
Driest since:
1985
85th Wettest
Wettest since:
1961
Dec 1933–May 1934
6-Month
34.93"
(887.22mm)
26.54"
(674.12mm)
8.39"
(213.10mm)
123rd Driest
Driest since:
1985
5th Wettest
Wettest to Date
1997
Nov 1933–May 1934
7-Month
38.34"
(973.84mm)
32.67"
(829.82mm)
5.67"
(144.02mm)
109th Driest
Driest since:
1977
19th Wettest
Wettest since:
1974
Oct 1933–May 1934
8-Month
43.73"
(1,110.74mm)
36.36"
(923.54mm)
7.37"
(187.20mm)
113th Driest
Driest since:
1977
15th Wettest
Wettest since:
1974
Sep 1933–May 1934
9-Month
47.73"
(1,212.34mm)
38.32"
(973.33mm)
9.41"
(239.01mm)
121st Driest
Driest since:
1977
7th Wettest
Wettest to Date
1974
Ties: 1972
Aug 1933–May 1934
10-Month
48.66"
(1,235.96mm)
39.35"
(999.49mm)
9.31"
(236.47mm)
120th Driest
Driest since:
1977
8th Wettest
Wettest since:
1974
Jul 1933–May 1934
11-Month
49.15"
(1,248.41mm)
40.24"
(1,022.10mm)
8.91"
(226.31mm)
118th Driest
Driest since:
1977
10th Wettest
Wettest since:
1974
Jun 1933–May 1934
12-Month
50.74"
(1,288.80mm)
42.13"
(1,070.10mm)
8.61"
(218.70mm)
117th Driest
Driest since:
1977
11th Wettest
Wettest since:
1974
Dec 1932–May 1934
18-Month
78.47"
(1,993.14mm)
68.67"
(1,744.22mm)
9.80"
(248.92mm)
111th Driest
Driest since:
1930
16th Wettest
Wettest since:
1997
Jun 1932–May 1934
24-Month
95.75"
(2,432.05mm)
84.30"
(2,141.22mm)
11.45"
(290.83mm)
115th Driest
Driest since:
1930
12th Wettest
Wettest to Date
1997
Jun 1931–May 1934
36-Month
143.14"
(3,635.76mm)
126.40"
(3,210.56mm)
16.74"
(425.20mm)
116th Driest
Driest since:
1931
10th Wettest
Wettest to Date
1998
Jun 1930–May 1934
48-Month
175.15"
(4,448.81mm)
168.49"
(4,279.65mm)
6.66"
(169.16mm)
84th Driest
Driest since:
1931
41st Wettest
Wettest since:
1999
Jun 1929–May 1934
60-Month
204.70"
(5,199.38mm)
210.48"
(5,346.19mm)
-5.78"
(-146.81mm)
40th Driest
Driest since:
1930
84th Wettest
Wettest since:
1999

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