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 2019. For more information, please see Climatological Rankings.


Wyoming

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
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 2018
1-Month
3.09"
(78.49mm)
2.21"
(56.13mm)
0.88"
(22.36mm)
104th Driest Driest since: 2017 1936
22nd Wettest Wettest since: 2015 1908
Ties: 1996
Apr–May 2018
2-Month
4.53"
(115.06mm)
3.99"
(101.35mm)
0.54"
(13.71mm)
87th Driest Driest since: 2014 1936
39th Wettest Wettest since: 2017 2011
Mar–May 2018
3-Month
5.93"
(150.62mm)
5.24"
(133.10mm)
0.69"
(17.52mm)
88th Driest Driest since: 2014 1919
38th Wettest Wettest since: 2017 2011
Ties: 1915
Feb–May 2018
4-Month
7.15"
(181.61mm)
6.21"
(157.73mm)
0.94"
(23.88mm)
96th Driest Driest since: 2014 1966
30th Wettest Wettest since: 2017 2011
Jan–May 2018
5-Month
8.05"
(204.47mm)
7.27"
(184.66mm)
0.78"
(19.81mm)
90th Driest Driest since: 2014 1919
36th Wettest Wettest since: 2017 2011
Dec 2017–May 2018
6-Month
9.07"
(230.38mm)
8.28"
(210.31mm)
0.79"
(20.07mm)
82nd Driest Driest since: 2014 1919
43rd Wettest Wettest since: 2017 2011
Ties: 1986
Nov 2017–May 2018
7-Month
10.55"
(267.97mm)
9.31"
(236.47mm)
1.24"
(31.50mm)
95th Driest Driest since: 2014 1919
30th Wettest Wettest since: 2017 2011
Oct 2017–May 2018
8-Month
11.34"
(288.04mm)
10.51"
(266.95mm)
0.83"
(21.09mm)
83rd Driest Driest since: 2013 1966
42nd Wettest Wettest since: 2017 1995
Ties: 1976
Sep 2017–May 2018
9-Month
13.55"
(344.17mm)
11.75"
(298.45mm)
1.80"
(45.72mm)
106th Driest Driest since: 2016 1934
19th Wettest Wettest since: 2017 2017
Aug 2017–May 2018
10-Month
14.49"
(368.05mm)
12.81"
(325.37mm)
1.68"
(42.68mm)
104th Driest Driest since: 2016 1934
21st Wettest Wettest since: 2017 2017
Jul 2017–May 2018
11-Month
15.46"
(392.68mm)
14.10"
(358.14mm)
1.36"
(34.54mm)
94th Driest Driest since: 2016 1934
31st Wettest Wettest since: 2017 1978
Jun 2017–May 2018
12-Month
16.55"
(420.37mm)
15.93"
(404.62mm)
0.62"
(15.75mm)
80th Driest Driest since: 2013 1934
45th Wettest Wettest since: 2017 1999
Ties: 1899
Dec 2016–May 2018
18-Month
28.53"
(724.66mm)
24.21"
(614.93mm)
4.32"
(109.73mm)
117th Driest Driest since: 2016 1961
7th Wettest Wettest since: 2017 1996
Jun 2016–May 2018
24-Month
35.35"
(897.89mm)
31.86"
(809.24mm)
3.49"
(88.65mm)
106th Driest Driest since: 2014 2002
18th Wettest Wettest since: 2017 1999
Jun 2015–May 2018
36-Month
52.27"
(1,327.66mm)
47.75"
(1,212.85mm)
4.52"
(114.81mm)
104th Driest Driest since: 2015 2003
19th Wettest Wettest since: 2017 1929
Jun 2014–May 2018
48-Month
71.26"
(1,810.00mm)
63.62"
(1,615.95mm)
7.64"
(194.05mm)
116th Driest Driest since: 2016 2004
6th Wettest Wettest since: 2017 1999
Jun 2013–May 2018
60-Month
88.82"
(2,256.03mm)
79.48"
(2,018.79mm)
9.34"
(237.24mm)
116th Driest Driest since: 2017 2004
5th Wettest Wettest since: 1999 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2019, retrieved on September 21, 2019 from https://www.ncdc.noaa.gov/cag/