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 1999

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 1999
1-Month
2.66"
(67.56mm)
2.13"
(54.10mm)
0.53"
(13.46mm)
95th Driest Driest since: 1997 2001
31st Wettest Wettest since: 1998 1906
Ties: 1909
Jul–Aug 1999
2-Month
5.30"
(134.62mm)
4.67"
(118.62mm)
0.63"
(16.00mm)
89th Driest Driest since: 1996 1947
37th Wettest Wettest since: 1998 2019
Jun–Aug 1999
3-Month
10.02"
(254.51mm)
8.11"
(205.99mm)
1.91"
(48.52mm)
108th Driest Driest since: 1997 1936
18th Wettest Wettest since: 1998 1993
May–Aug 1999
4-Month
13.63"
(346.20mm)
11.03"
(280.16mm)
2.60"
(66.04mm)
111th Driest Driest since: 1998 1936
15th Wettest Wettest since: 1993 1962
Apr–Aug 1999
5-Month
16.68"
(423.67mm)
12.98"
(329.69mm)
3.70"
(93.98mm)
111th Driest Driest since: 1998 1936
15th Wettest Wettest since: 1995 2019
Mar–Aug 1999
6-Month
17.37"
(441.20mm)
14.03"
(356.36mm)
3.34"
(84.84mm)
112th Driest Driest since: 1998 1936
14th Wettest Wettest since: 1995 2019
Feb–Aug 1999
7-Month
17.65"
(448.31mm)
14.57"
(370.08mm)
3.08"
(78.23mm)
108th Driest Driest since: 1998 1936
18th Wettest Wettest since: 1995 2019
Jan–Aug 1999
8-Month
18.18"
(461.77mm)
15.04"
(382.02mm)
3.14"
(79.75mm)
111th Driest Driest since: 1998 1936
15th Wettest Wettest since: 1995 2019
Dec 1998–Aug 1999
9-Month
18.35"
(466.09mm)
15.52"
(394.21mm)
2.83"
(71.88mm)
106th Driest Driest since: 1998 1936
19th Wettest Wettest since: 1997 2019
Nov 1998–Aug 1999
10-Month
19.61"
(498.09mm)
16.16"
(410.46mm)
3.45"
(87.63mm)
108th Driest Driest since: 1998 1934
17th Wettest Wettest since: 1997 2019
Oct 1998–Aug 1999
11-Month
24.96"
(633.98mm)
17.44"
(442.98mm)
7.52"
(191.00mm)
122nd Driest Driest since: 1998 1934
3rd Wettest Wettest since: 1915 2019
Sep 1998–Aug 1999
12-Month
25.67"
(652.02mm)
19.07"
(484.38mm)
6.60"
(167.64mm)
119th Driest Driest since: 1998 1936
6th Wettest Wettest since: 1997 2019
Mar 1998–Aug 1999
18-Month
41.82"
(1,062.23mm)
33.11"
(840.99mm)
8.71"
(221.24mm)
120th Driest Driest since: 1998 1934
5th Wettest Wettest since: 1916 2019
Sep 1997–Aug 1999
24-Month
46.76"
(1,187.70mm)
38.14"
(968.76mm)
8.62"
(218.94mm)
117th Driest Driest since: 1997 1934
7th Wettest Wettest since: 1998 2019
Sep 1996–Aug 1999
36-Month
73.26"
(1,860.80mm)
57.14"
(1,451.36mm)
16.12"
(409.44mm)
121st Driest Driest since: 1998 1936
2nd Wettest Wettest to Date 2011
Sep 1995–Aug 1999
48-Month
92.91"
(2,359.91mm)
76.09"
(1,932.69mm)
16.82"
(427.22mm)
119th Driest Driest since: 1998 1936
3rd Wettest Wettest to Date 2011
Sep 1994–Aug 1999
60-Month
117.84"
(2,993.14mm)
94.98"
(2,412.49mm)
22.86"
(580.65mm)
119th Driest Driest since: 1998 1937
2nd Wettest Wettest to Date 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 18, 2020 from https://www.ncdc.noaa.gov/cag/