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


Oklahoma

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
3.97"
(100.84mm)
4.84"
(122.94mm)
-0.87"
(-22.10mm)
47th Driest Driest since: 1939 1988
79th Wettest Wettest since: 1938 2015
Apr–May 1940
2-Month
8.98"
(228.09mm)
8.25"
(209.55mm)
0.73"
(18.54mm)
86th Driest Driest since: 1939 2005
40th Wettest Wettest since: 1935 2015
Mar–May 1940
3-Month
9.45"
(240.03mm)
10.73"
(272.54mm)
-1.28"
(-32.51mm)
41st Driest Driest since: 1939 2005
85th Wettest Wettest since: 1938 1957
Feb–May 1940
4-Month
11.60"
(294.64mm)
12.35"
(313.69mm)
-0.75"
(-19.05mm)
56th Driest Driest since: 1939 1895
70th Wettest Wettest since: 1938 1957
Jan–May 1940
5-Month
12.36"
(313.94mm)
13.78"
(350.01mm)
-1.42"
(-36.07mm)
46th Driest Driest since: 1937 1895
80th Wettest Wettest since: 1939 1957
Dec 1939–May 1940
6-Month
13.43"
(341.12mm)
15.49"
(393.45mm)
-2.06"
(-52.33mm)
35th Driest Driest since: 1939 1963
90th Wettest Wettest since: 1938 1957
Nov 1939–May 1940
7-Month
14.88"
(377.95mm)
17.68"
(449.07mm)
-2.80"
(-71.12mm)
31st Driest Driest since: 1937 1956
94th Wettest Wettest since: 1939 1957
Oct 1939–May 1940
8-Month
16.46"
(418.08mm)
20.64"
(524.26mm)
-4.18"
(-106.18mm)
25th Driest Driest since: 1939 1996
100th Wettest Wettest since: 1938 2019
Sep 1939–May 1940
9-Month
16.79"
(426.47mm)
24.11"
(612.39mm)
-7.32"
(-185.92mm)
10th Driest Driest since: 1925 1911
115th Wettest Wettest since: 1939 2019
Aug 1939–May 1940
10-Month
19.49"
(495.05mm)
26.97"
(685.04mm)
-7.48"
(-189.99mm)
7th Driest Driest since: 1925 1911
118th Wettest Wettest since: 1939 2019
Jul 1939–May 1940
11-Month
21.18"
(537.97mm)
29.84"
(757.94mm)
-8.66"
(-219.97mm)
4th Driest Driest since: 1917 1917
121st Wettest Wettest since: 1939 2019
Jun 1939–May 1940
12-Month
26.31"
(668.27mm)
33.81"
(858.77mm)
-7.50"
(-190.50mm)
11th Driest Driest since: 1925 1911
114th Wettest Wettest since: 1939 2019
Dec 1938–May 1940
18-Month
39.50"
(1,003.30mm)
49.27"
(1,251.46mm)
-9.77"
(-248.16mm)
12th Driest Driest since: 1937 1911
112th Wettest Wettest since: 1939 2016
Jun 1938–May 1940
24-Month
53.05"
(1,347.47mm)
67.62"
(1,717.55mm)
-14.57"
(-370.08mm)
4th Driest Driest since: 1918 1911
120th Wettest Wettest since: 1939 2016
Jun 1937–May 1940
36-Month
89.86"
(2,282.44mm)
101.36"
(2,574.54mm)
-11.50"
(-292.10mm)
18th Driest Driest since: 1937 1955
105th Wettest Wettest since: 1939 2017
Jun 1936–May 1940
48-Month
116.22"
(2,951.99mm)
135.03"
(3,429.76mm)
-18.81"
(-477.77mm)
7th Driest Driest since: 1937 1956
115th Wettest Wettest since: 1939 1993
Jun 1935–May 1940
60-Month
144.24"
(3,663.70mm)
168.55"
(4,281.17mm)
-24.31"
(-617.47mm)
4th Driest Driest since: 1914 1956
117th Wettest Wettest since: 1939 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 23, 2019 from https://www.ncdc.noaa.gov/cag/