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 November 2019. For more information, please see Climatological Rankings.


Wyoming

Precipitation Rankings, May 1940

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1940
1-Month
0.84"
(21.34mm)
2.21"
(56.13mm)
-1.37"
(-34.79mm)
5th Driest Driest since: 1936 1936
121st Wettest Wettest since: 1939 1908
Apr–May 1940
2-Month
3.89"
(98.81mm)
3.99"
(101.35mm)
-0.10"
(-2.54mm)
57th Driest Driest since: 1939 1936
69th Wettest Wettest since: 1938 2011
Ties: 1923, 1930
Mar–May 1940
3-Month
4.98"
(126.49mm)
5.24"
(133.10mm)
-0.26"
(-6.61mm)
49th Driest Driest since: 1939 1919
77th Wettest Wettest since: 1938 2011
Ties: 1977
Feb–May 1940
4-Month
6.21"
(157.73mm)
6.21"
(157.73mm)
0.00"
(0.00mm)
63rd Driest Driest since: 1939 1966
63rd Wettest Wettest since: 1938 2011
Jan–May 1940
5-Month
7.82"
(198.63mm)
7.27"
(184.66mm)
0.55"
(13.97mm)
79th Driest Driest since: 1939 1919
47th Wettest Wettest since: 1938 2011
Dec 1939–May 1940
6-Month
8.33"
(211.58mm)
8.28"
(210.31mm)
0.05"
(1.27mm)
58th Driest Driest since: 1939 1919
67th Wettest Wettest since: 1938 2011
Ties: 1937
Nov 1939–May 1940
7-Month
8.35"
(212.09mm)
9.31"
(236.47mm)
-0.96"
(-24.38mm)
31st Driest Driest since: 1939 1919
94th Wettest Wettest since: 1938 2011
Oct 1939–May 1940
8-Month
9.30"
(236.22mm)
10.51"
(266.95mm)
-1.21"
(-30.73mm)
29th Driest Driest since: 1936 1966
96th Wettest Wettest since: 1939 1995
Sep 1939–May 1940
9-Month
10.35"
(262.89mm)
11.75"
(298.45mm)
-1.40"
(-35.56mm)
27th Driest Driest since: 1936 1934
98th Wettest Wettest since: 1939 2017
Aug 1939–May 1940
10-Month
11.07"
(281.18mm)
12.81"
(325.37mm)
-1.74"
(-44.19mm)
26th Driest Driest since: 1936 1934
99th Wettest Wettest since: 1939 2017
Jul 1939–May 1940
11-Month
11.72"
(297.69mm)
14.10"
(358.14mm)
-2.38"
(-60.45mm)
18th Driest Driest since: 1936 1934
107th Wettest Wettest since: 1939 1978
Jun 1939–May 1940
12-Month
13.45"
(341.63mm)
15.93"
(404.62mm)
-2.48"
(-62.99mm)
18th Driest Driest since: 1936 1934
107th Wettest Wettest since: 1939 1999
Ties: 2012
Dec 1938–May 1940
18-Month
19.89"
(505.21mm)
24.21"
(614.93mm)
-4.32"
(-109.72mm)
9th Driest Driest since: 1934 1961
115th Wettest Wettest since: 1939 1996
Jun 1938–May 1940
24-Month
28.23"
(717.04mm)
31.86"
(809.24mm)
-3.63"
(-92.20mm)
21st Driest Driest since: 1937 2002
103rd Wettest Wettest since: 1939 1999
Jun 1937–May 1940
36-Month
46.95"
(1,192.53mm)
47.75"
(1,212.85mm)
-0.80"
(-20.32mm)
53rd Driest Driest since: 1938 2003
70th Wettest Wettest since: 1939 1929
Jun 1936–May 1940
48-Month
62.90"
(1,597.66mm)
63.62"
(1,615.95mm)
-0.72"
(-18.29mm)
57th Driest Driest since: 1939 2004
65th Wettest Wettest since: 1938 1999
Jun 1935–May 1940
60-Month
75.12"
(1,908.05mm)
79.48"
(2,018.79mm)
-4.36"
(-110.74mm)
35th Driest Driest since: 1938 2004
86th Wettest Wettest since: 1939 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published December 2019, retrieved on December 14, 2019 from https://www.ncdc.noaa.gov/cag/