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 August 2022. For more information, please see Climatological Rankings.


Washington

Precipitation Rankings, May 2020

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
May 2020
1-Month
3.52"
(89.41mm)
2.25"
(57.15mm)
1.27"
(32.26mm)
116th Driest Driest since: 2019 1924
13th Wettest Wettest since: 2011 1948
Apr–May 2020
2-Month
4.89"
(124.21mm)
5.08"
(129.03mm)
-0.19"
(-4.82mm)
58th Driest Driest since: 2016 1924
71st Wettest Wettest since: 2019 1948
Mar–May 2020
3-Month
7.72"
(196.09mm)
9.23"
(234.44mm)
-1.51"
(-38.35mm)
31st Driest Driest since: 2019 1924
98th Wettest Wettest since: 2018 2011
Feb–May 2020
4-Month
12.64"
(321.06mm)
13.96"
(354.58mm)
-1.32"
(-33.52mm)
44th Driest Driest since: 2019 1973
85th Wettest Wettest since: 2018 2017
Jan–May 2020
5-Month
23.16"
(588.26mm)
20.03"
(508.76mm)
3.13"
(79.50mm)
101st Driest Driest since: 2019 1985
28th Wettest Wettest since: 2017 1961
Ties: 2003
Dec 2019–May 2020
6-Month
28.74"
(730.00mm)
26.54"
(674.12mm)
2.20"
(55.88mm)
88th Driest Driest since: 2019 1985
40th Wettest Wettest since: 2017 1997
Nov 2019–May 2020
7-Month
30.59"
(776.99mm)
32.67"
(829.82mm)
-2.08"
(-52.83mm)
45th Driest Driest since: 2019 1977
83rd Wettest Wettest since: 2018 1974
Oct 2019–May 2020
8-Month
34.38"
(873.25mm)
36.36"
(923.54mm)
-1.98"
(-50.29mm)
46th Driest Driest since: 2019 1977
82nd Wettest Wettest since: 2018 1974
Sep 2019–May 2020
9-Month
38.00"
(965.20mm)
38.32"
(973.33mm)
-0.32"
(-8.13mm)
63rd Driest Driest since: 2019 1977
65th Wettest Wettest since: 2018 1974
Aug 2019–May 2020
10-Month
38.94"
(989.08mm)
39.35"
(999.49mm)
-0.41"
(-10.41mm)
58th Driest Driest since: 2019 1977
70th Wettest Wettest since: 2018 1974
Jul 2019–May 2020
11-Month
39.85"
(1,012.19mm)
40.24"
(1,022.10mm)
-0.39"
(-9.91mm)
61st Driest Driest since: 2019 1977
67th Wettest Wettest since: 2018 1974
Jun 2019–May 2020
12-Month
40.90"
(1,038.86mm)
42.13"
(1,070.10mm)
-1.23"
(-31.24mm)
52nd Driest Driest since: 2019 1977
76th Wettest Wettest since: 2018 1974
Dec 2018–May 2020
18-Month
63.25"
(1,606.55mm)
68.67"
(1,744.22mm)
-5.42"
(-137.67mm)
32nd Driest Driest since: 2019 1930
95th Wettest Wettest since: 2018 1997
Jun 2018–May 2020
24-Month
75.58"
(1,919.73mm)
84.30"
(2,141.22mm)
-8.72"
(-221.49mm)
20th Driest Driest since: 2005 1930
107th Wettest Wettest since: 2019 1997
Jun 2017–May 2020
36-Month
119.64"
(3,038.86mm)
126.40"
(3,210.56mm)
-6.76"
(-171.70mm)
35th Driest Driest since: 2005 1931
91st Wettest Wettest since: 2019 1998
Jun 2016–May 2020
48-Month
173.39"
(4,404.11mm)
168.49"
(4,279.65mm)
4.90"
(124.46mm)
75th Driest Driest since: 2015 1931
50th Wettest Wettest since: 2019 1999
Jun 2015–May 2020
60-Month
221.76"
(5,632.70mm)
210.48"
(5,346.19mm)
11.28"
(286.51mm)
90th Driest Driest since: 2016 1930
34th Wettest Wettest since: 2019 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Precipitation, published September 2022, retrieved on September 28, 2022 from https://www.ncdc.noaa.gov/cag/