Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of June 2022. For more information, please see Climatological Rankings.


Washington

Precipitation Rankings, May 2018

View Period (Months):All1234567891011121824364860
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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 2018
1-Month
1.08"
(27.43mm)
2.25"
(57.15mm)
-1.17"
(-29.72mm)
8th Driest Driest since: 1992 1924
121st Wettest Wettest since: 2017 1948
Apr–May 2018
2-Month
6.55"
(166.37mm)
5.08"
(129.03mm)
1.47"
(37.34mm)
107th Driest Driest since: 2016 1924
22nd Wettest Wettest since: 2017 1948
Ties: 1941
Mar–May 2018
3-Month
9.84"
(249.94mm)
9.23"
(234.44mm)
0.61"
(15.50mm)
81st Driest Driest since: 2015 1924
48th Wettest Wettest since: 2017 2011
Feb–May 2018
4-Month
14.23"
(361.44mm)
13.96"
(354.58mm)
0.27"
(6.86mm)
75th Driest Driest since: 2015 1973
54th Wettest Wettest since: 2017 2017
Jan–May 2018
5-Month
21.97"
(558.04mm)
20.03"
(508.76mm)
1.94"
(49.28mm)
88th Driest Driest since: 2015 1985
41st Wettest Wettest since: 2017 1961
Dec 2017–May 2018
6-Month
27.06"
(687.32mm)
26.54"
(674.12mm)
0.52"
(13.20mm)
70th Driest Driest since: 2015 1985
58th Wettest Wettest since: 2017 1997
Nov 2017–May 2018
7-Month
35.92"
(912.37mm)
32.67"
(829.82mm)
3.25"
(82.55mm)
86th Driest Driest since: 2015 1977
42nd Wettest Wettest since: 2017 1974
Oct 2017–May 2018
8-Month
40.98"
(1,040.89mm)
36.36"
(923.54mm)
4.62"
(117.35mm)
98th Driest Driest since: 2015 1977
30th Wettest Wettest since: 2017 1974
Ties: 1919
Sep 2017–May 2018
9-Month
42.33"
(1,075.18mm)
38.32"
(973.33mm)
4.01"
(101.85mm)
95th Driest Driest since: 2015 1977
33rd Wettest Wettest since: 2017 1974
Aug 2017–May 2018
10-Month
42.47"
(1,078.74mm)
39.35"
(999.49mm)
3.12"
(79.25mm)
85th Driest Driest since: 2015 1977
43rd Wettest Wettest since: 2017 1974
Jul 2017–May 2018
11-Month
42.51"
(1,079.75mm)
40.24"
(1,022.10mm)
2.27"
(57.65mm)
79th Driest Driest since: 2015 1977
49th Wettest Wettest since: 2017 1974
Ties: 1903
Jun 2017–May 2018
12-Month
44.06"
(1,119.12mm)
42.13"
(1,070.10mm)
1.93"
(49.02mm)
78th Driest Driest since: 2015 1977
50th Wettest Wettest since: 2017 1974
Dec 2016–May 2018
18-Month
75.63"
(1,921.00mm)
68.67"
(1,744.22mm)
6.96"
(176.78mm)
96th Driest Driest since: 2016 1930
31st Wettest Wettest since: 2017 1997
Jun 2016–May 2018
24-Month
97.81"
(2,484.37mm)
84.30"
(2,141.22mm)
13.51"
(343.15mm)
118th Driest Driest since: 2016 1930
9th Wettest Wettest since: 2017 1997
Jun 2015–May 2018
36-Month
146.18"
(3,712.97mm)
126.40"
(3,210.56mm)
19.78"
(502.41mm)
120th Driest Driest since: 2017 1931
6th Wettest Wettest since: 1999 1998
Jun 2014–May 2018
48-Month
187.19"
(4,754.63mm)
168.49"
(4,279.65mm)
18.70"
(474.98mm)
117th Driest Driest since: 2017 1931
8th Wettest Wettest since: 2000 1999
Jun 2013–May 2018
60-Month
229.85"
(5,838.19mm)
210.48"
(5,346.19mm)
19.37"
(492.00mm)
111th Driest Driest since: 2016 1930
13th Wettest Wettest since: 2017 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published July 2022, retrieved on August 8, 2022 from https://www.ncei.noaa.gov/cag/