Climate at a Glance | Divisional Rankings | National Centers for Environmental Information (NCEI)

Divisional Rankings

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Please note, Degree Days and Palmer Indices are not available for Alaska or Hawaii. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

South Dakota, Climate Division 8

December 2001 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 2001 1-Month	-1.07	0.18	-1.25	8th Driest	Driest since: 1974	1943
December 2001 1-Month	-1.07	0.18	-1.25	123rd Wettest	Wettest since: 2000	1951
Nov–Dec 2001 2-Month	0.09	0.14	-0.05	71st Driest	Driest since: 1999	1912
Nov–Dec 2001 2-Month	0.09	0.14	-0.05	60th Wettest	Wettest since: 2000	1920, 2019
Oct–Dec 2001 3-Month	-0.31	0.24	-0.55	48th Driest	Driest since: 1999	1938
	-0.31	0.24	-0.55	83rd Wettest	Wettest since: 2000	1998
	Ties: 1992
Sep–Dec 2001 4-Month	0.12	0.23	-0.11	68th Driest	Driest since: 2000	1933
Sep–Dec 2001 4-Month	0.12	0.23	-0.11	63rd Wettest	Wettest since: 1999	2019
Aug–Dec 2001 5-Month	-0.25	0.25	-0.50	48th Driest	Driest since: 2000	2012
	-0.25	0.25	-0.50	83rd Wettest	Wettest since: 1999	2019
	Ties: 1989
Jul–Dec 2001 6-Month	0.32	0.30	0.02	66th Driest	Driest since: 2000	2012
Jul–Dec 2001 6-Month	0.32	0.30	0.02	65th Wettest	Wettest since: 1999	2019
Jun–Dec 2001 7-Month	0.30	0.29	0.01	68th Driest	Driest since: 2000	2012
Jun–Dec 2001 7-Month	0.30	0.29	0.01	63rd Wettest	Wettest since: 1999	2019
May–Dec 2001 8-Month	0.35	0.28	0.07	71st Driest	Driest since: 2000	2012
	0.35	0.28	0.07	60th Wettest	Wettest since: 1999	2019
	Ties: 1941
Apr–Dec 2001 9-Month	0.89	0.28	0.61	90th Driest	Driest since: 2000	1934
Apr–Dec 2001 9-Month	0.89	0.28	0.61	41st Wettest	Wettest since: 1999	2019
Mar–Dec 2001 10-Month	0.69	0.23	0.46	88th Driest	Driest since: 2000	2012
Mar–Dec 2001 10-Month	0.69	0.23	0.46	43rd Wettest	Wettest since: 1999	2019
Feb–Dec 2001 11-Month	0.69	0.22	0.47	88th Driest	Driest since: 2000	1934
	0.69	0.22	0.47	43rd Wettest	Wettest since: 1999	2019
	Ties: 1907
Jan–Dec 2001 12-Month	0.78	0.22	0.56	93rd Driest	Driest since: 2000	1934
Jan–Dec 2001 12-Month	0.78	0.22	0.56	38th Wettest	Wettest since: 1999	2019
Jul 2000–Dec 2001 18-Month	0.30	0.25	0.05	66th Driest	Driest since: 2000	1934
Jul 2000–Dec 2001 18-Month	0.30	0.25	0.05	64th Wettest	Wettest since: 1999	2019
Jan 2000–Dec 2001 24-Month	0.17	0.22	-0.05	65th Driest	Driest since: 1990	1934
Jan 2000–Dec 2001 24-Month	0.17	0.22	-0.05	65th Wettest	Wettest since: 2000	2019
Jan 1999–Dec 2001 36-Month	0.48	0.21	0.27	86th Driest	Driest since: 1992	1935
	0.48	0.21	0.27	43rd Wettest	Wettest since: 2000	2020
	Ties: 1962
Jan 1998–Dec 2001 48-Month	0.78	0.20	0.58	101st Driest	Driest since: 1993	1936
Jan 1998–Dec 2001 48-Month	0.78	0.20	0.58	27th Wettest	Wettest since: 2000	1998
Jan 1997–Dec 2001 60-Month	0.96	0.19	0.77	112th Driest	Driest since: 1994	1937
Jan 1997–Dec 2001 60-Month	0.96	0.19	0.77	15th Wettest	Wettest since: 2000	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 31, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings

Climate at a Glance Divisional Rankings

Divisional Rankings

South Dakota, Climate Division 8

December 2001 Palmer Z-Index Rankings

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