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.

North Dakota, Climate Division 7

December 2009 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 2009 1-Month	2.46	0.14	2.32	127th Driest	Driest since: 2008	1952
December 2009 1-Month	2.46	0.14	2.32	4th Wettest	Wettest since: 1927	2013
Nov–Dec 2009 2-Month	0.69	0.10	0.59	94th Driest	Driest since: 2007	1954
Nov–Dec 2009 2-Month	0.69	0.10	0.59	37th Wettest	Wettest since: 2008	1896
Oct–Dec 2009 3-Month	1.58	0.13	1.45	117th Driest	Driest since: 2007	1963
Oct–Dec 2009 3-Month	1.58	0.13	1.45	14th Wettest	Wettest since: 2008	1982
Sep–Dec 2009 4-Month	0.95	0.11	0.84	110th Driest	Driest since: 2008	1952
	0.95	0.11	0.84	21st Wettest	Wettest since: 2000	2013
	Ties: 1927, 1972, 2000
Aug–Dec 2009 5-Month	0.99	0.11	0.88	105th Driest	Driest since: 2008	1934
	0.99	0.11	0.88	26th Wettest	Wettest since: 1998	2013
	Ties: 1916
Jul–Dec 2009 6-Month	1.16	0.13	1.03	107th Driest	Driest since: 2008	1936
Jul–Dec 2009 6-Month	1.16	0.13	1.03	24th Wettest	Wettest since: 1998	2013
Jun–Dec 2009 7-Month	1.10	0.12	0.98	105th Driest	Driest since: 2008	1936
Jun–Dec 2009 7-Month	1.10	0.12	0.98	26th Wettest	Wettest since: 1998	1915
May–Dec 2009 8-Month	0.95	0.12	0.83	96th Driest	Driest since: 2008	1936
May–Dec 2009 8-Month	0.95	0.12	0.83	35th Wettest	Wettest since: 2005	2013
Apr–Dec 2009 9-Month	0.84	0.09	0.75	97th Driest	Driest since: 2008	1936
Apr–Dec 2009 9-Month	0.84	0.09	0.75	34th Wettest	Wettest since: 1995	2013
Mar–Dec 2009 10-Month	1.12	0.08	1.04	108th Driest	Driest since: 2008	1936
Mar–Dec 2009 10-Month	1.12	0.08	1.04	23rd Wettest	Wettest since: 1995	1982
Feb–Dec 2009 11-Month	1.21	0.08	1.13	112th Driest	Driest since: 2008	1936
	1.21	0.08	1.13	19th Wettest	Wettest since: 1995	1982
	Ties: 1906
Jan–Dec 2009 12-Month	1.10	0.09	1.01	112th Driest	Driest since: 2008	1934
	1.10	0.09	1.01	19th Wettest	Wettest since: 1995	1982
	Ties: 1941
Jul 2008–Dec 2009 18-Month	0.57	0.10	0.47	90th Driest	Driest since: 2008	1934
Jul 2008–Dec 2009 18-Month	0.57	0.10	0.47	40th Wettest	Wettest since: 1999	2014
Jan 2008–Dec 2009 24-Month	0.15	0.09	0.06	65th Driest	Driest since: 2008	1937
Jan 2008–Dec 2009 24-Month	0.15	0.09	0.06	65th Wettest	Wettest since: 2000	2014
Jan 2007–Dec 2009 36-Month	-0.11	0.09	-0.20	43rd Driest	Driest since: 2008	1936
	-0.11	0.09	-0.20	86th Wettest	Wettest since: 2001	1972
	Ties: 1912
Jan 2006–Dec 2009 48-Month	-0.25	0.08	-0.33	36th Driest	Driest since: 2008	1937
	-0.25	0.08	-0.33	92nd Wettest	Wettest since: 2002	1973
	Ties: 1913, 2002
Jan 2005–Dec 2009 60-Month	-0.13	0.08	-0.21	39th Driest	Driest since: 2008	1938
	-0.13	0.08	-0.21	88th Wettest	Wettest since: 2002	2014
	Ties: 1933, 1952

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 30, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings

Climate at a Glance Divisional Rankings

Divisional Rankings

North Dakota, Climate Division 7

December 2009 Palmer Z-Index Rankings

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