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.

Iowa, Climate Division 8

December 2014 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 2014 1-Month	-0.06	-0.11	0.05	70th Driest	Driest since: 2013	1910
December 2014 1-Month	-0.06	-0.11	0.05	61st Wettest	Wettest since: 2011	2015
Nov–Dec 2014 2-Month	-0.12	-0.08	-0.04	62nd Driest	Driest since: 2013	1917
Nov–Dec 2014 2-Month	-0.12	-0.08	-0.04	69th Wettest	Wettest since: 2011	2015
Oct–Dec 2014 3-Month	0.56	-0.05	0.61	87th Driest	Driest since: 2013	1953
Oct–Dec 2014 3-Month	0.56	-0.05	0.61	44th Wettest	Wettest since: 2009	1931
Sep–Dec 2014 4-Month	1.03	0.00	1.03	101st Driest	Driest since: 2013	1953
Sep–Dec 2014 4-Month	1.03	0.00	1.03	30th Wettest	Wettest since: 2009	1931, 1941
Aug–Dec 2014 5-Month	1.94	-0.02	1.96	119th Driest	Driest since: 2013	1953
Aug–Dec 2014 5-Month	1.94	-0.02	1.96	12th Wettest	Wettest since: 2007	1902
Jul–Dec 2014 6-Month	1.64	0.01	1.63	113th Driest	Driest since: 2013	1953
Jul–Dec 2014 6-Month	1.64	0.01	1.63	18th Wettest	Wettest since: 2010	1902
Jun–Dec 2014 7-Month	1.77	0.02	1.75	122nd Driest	Driest since: 2013	1953
Jun–Dec 2014 7-Month	1.77	0.02	1.75	9th Wettest	Wettest since: 2010	1902
May–Dec 2014 8-Month	1.55	0.04	1.51	121st Driest	Driest since: 2013	1953
	1.55	0.04	1.51	10th Wettest	Wettest since: 2010	1902
	Ties: 1905
Apr–Dec 2014 9-Month	1.61	0.05	1.56	123rd Driest	Driest since: 2013	1988
Apr–Dec 2014 9-Month	1.61	0.05	1.56	8th Wettest	Wettest since: 2010	2008
Mar–Dec 2014 10-Month	1.27	0.03	1.24	117th Driest	Driest since: 2013	1934
Mar–Dec 2014 10-Month	1.27	0.03	1.24	14th Wettest	Wettest since: 2010	1993
Feb–Dec 2014 11-Month	1.20	0.04	1.16	116th Driest	Driest since: 2013	1934
	1.20	0.04	1.16	15th Wettest	Wettest since: 2010	2008
	Ties: 1896, 1909, 1992
Jan–Dec 2014 12-Month	0.93	0.04	0.89	108th Driest	Driest since: 2013	1956
Jan–Dec 2014 12-Month	0.93	0.04	0.89	23rd Wettest	Wettest since: 2010	1993
Jul 2013–Dec 2014 18-Month	0.11	0.04	0.07	62nd Driest	Driest since: 2013	1956
	0.11	0.04	0.07	68th Wettest	Wettest since: 2011	1993
	Ties: 1928
Jan 2013–Dec 2014 24-Month	0.41	0.04	0.37	87th Driest	Driest since: 2013	1934
Jan 2013–Dec 2014 24-Month	0.41	0.04	0.37	43rd Wettest	Wettest since: 2011	2009
Jan 2012–Dec 2014 36-Month	-0.12	0.04	-0.16	41st Driest	Driest since: 2013	1956
Jan 2012–Dec 2014 36-Month	-0.12	0.04	-0.16	88th Wettest	Wettest since: 2012	2010
Jan 2011–Dec 2014 48-Month	0.00	0.04	-0.04	55th Driest	Driest since: 2006	1956
	0.00	0.04	-0.04	73rd Wettest	Wettest since: 2013	2010
	Ties: 1915, 1953
Jan 2010–Dec 2014 60-Month	0.37	0.04	0.33	92nd Driest	Driest since: 2007	1957
Jan 2010–Dec 2014 60-Month	0.37	0.04	0.33	35th Wettest	Wettest since: 2013	2011

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

Iowa, Climate Division 8

December 2014 Palmer Z-Index Rankings

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