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


South Dakota

Precipitation Rankings, August 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
August 1940
1-Month
2.24"
(56.90mm)
2.13"
(54.10mm)
0.11"
(2.80mm)
76th Driest Driest since: 1939 2001
50th Wettest Wettest since: 1933 1906
Ties: 1933
Jul–Aug 1940
2-Month
4.18"
(106.17mm)
4.67"
(118.62mm)
-0.49"
(-12.45mm)
46th Driest Driest since: 1939 1947
80th Wettest Wettest since: 1937 2019
Ties: 1924
Jun–Aug 1940
3-Month
7.05"
(179.07mm)
8.11"
(205.99mm)
-1.06"
(-26.92mm)
36th Driest Driest since: 1938 1936
90th Wettest Wettest since: 1939 1993
May–Aug 1940
4-Month
7.63"
(193.80mm)
11.03"
(280.16mm)
-3.40"
(-86.36mm)
8th Driest Driest since: 1936 1936
118th Wettest Wettest since: 1939 1962
Ties: 2012
Apr–Aug 1940
5-Month
10.22"
(259.59mm)
12.98"
(329.69mm)
-2.76"
(-70.10mm)
16th Driest Driest since: 1936 1936
110th Wettest Wettest since: 1939 2019
Mar–Aug 1940
6-Month
12.00"
(304.80mm)
14.03"
(356.36mm)
-2.03"
(-51.56mm)
25th Driest Driest since: 1939 1936
101st Wettest Wettest since: 1938 2019
Feb–Aug 1940
7-Month
12.60"
(320.04mm)
14.57"
(370.08mm)
-1.97"
(-50.04mm)
27th Driest Driest since: 1939 1936
99th Wettest Wettest since: 1938 2019
Jan–Aug 1940
8-Month
12.80"
(325.12mm)
15.04"
(382.02mm)
-2.24"
(-56.90mm)
24th Driest Driest since: 1936 1936
102nd Wettest Wettest since: 1939 2019
Dec 1939–Aug 1940
9-Month
13.12"
(333.25mm)
15.52"
(394.21mm)
-2.40"
(-60.96mm)
20th Driest Driest since: 1936 1936
105th Wettest Wettest since: 1939 2019
Nov 1939–Aug 1940
10-Month
13.13"
(333.50mm)
16.16"
(410.46mm)
-3.03"
(-76.96mm)
17th Driest Driest since: 1936 1934
108th Wettest Wettest since: 1939 2019
Oct 1939–Aug 1940
11-Month
14.28"
(362.71mm)
17.44"
(442.98mm)
-3.16"
(-80.27mm)
19th Driest Driest since: 1939 1934
106th Wettest Wettest since: 1938 2019
Sep 1939–Aug 1940
12-Month
15.29"
(388.37mm)
19.07"
(484.38mm)
-3.78"
(-96.01mm)
14th Driest Driest since: 1936 1936
111th Wettest Wettest since: 1939 2019
Mar 1939–Aug 1940
18-Month
26.78"
(680.21mm)
33.11"
(840.99mm)
-6.33"
(-160.78mm)
8th Driest Driest since: 1937 1934
117th Wettest Wettest since: 1939 2019
Sep 1938–Aug 1940
24-Month
31.49"
(799.85mm)
38.14"
(968.76mm)
-6.65"
(-168.91mm)
10th Driest Driest since: 1937 1934
114th Wettest Wettest since: 1939 2019
Sep 1937–Aug 1940
36-Month
47.86"
(1,215.64mm)
57.14"
(1,451.36mm)
-9.28"
(-235.72mm)
6th Driest Driest since: 1938 1936
117th Wettest Wettest since: 1939 2011
Sep 1936–Aug 1940
48-Month
64.82"
(1,646.43mm)
76.09"
(1,932.69mm)
-11.27"
(-286.26mm)
7th Driest Driest since: 1939 1936
115th Wettest Wettest since: 1935 2011
Sep 1935–Aug 1940
60-Month
74.99"
(1,904.75mm)
94.98"
(2,412.49mm)
-19.99"
(-507.74mm)
3rd Driest Driest since: 1938 1937
118th Wettest Wettest since: 1939 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 23, 2020 from https://www.ncdc.noaa.gov/cag/