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.

Wisconsin, Climate Division 4

December 2015 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 2015 1-Month	6.11	0.03	6.08	130th Driest	Driest since: 2014	1976
December 2015 1-Month	6.11	0.03	6.08	1st Wettest	Wettest to Date	2015
Nov–Dec 2015 2-Month	3.84	0.07	3.77	129th Driest	Driest since: 2014	1976
Nov–Dec 2015 2-Month	3.84	0.07	3.77	2nd Wettest	Wettest since: 1991	1991
Oct–Dec 2015 3-Month	2.88	0.10	2.78	127th Driest	Driest since: 2014	1976
Oct–Dec 2015 3-Month	2.88	0.10	2.78	4th Wettest	Wettest since: 1982	1911
Sep–Dec 2015 4-Month	2.39	0.10	2.29	124th Driest	Driest since: 2014	1976
	2.39	0.10	2.29	7th Wettest	Wettest since: 2010	1911
	Ties: 1972
Aug–Dec 2015 5-Month	2.16	0.08	2.08	121st Driest	Driest since: 2014	1976
Aug–Dec 2015 5-Month	2.16	0.08	2.08	10th Wettest	Wettest since: 2010	1911
Jul–Dec 2015 6-Month	2.18	0.11	2.07	124th Driest	Driest since: 2014	1976
Jul–Dec 2015 6-Month	2.18	0.11	2.07	7th Wettest	Wettest since: 2010	1900
Jun–Dec 2015 7-Month	2.07	0.12	1.95	124th Driest	Driest since: 2014	1976
Jun–Dec 2015 7-Month	2.07	0.12	1.95	7th Wettest	Wettest since: 2010	2010
May–Dec 2015 8-Month	2.04	0.13	1.91	127th Driest	Driest since: 2014	1976
May–Dec 2015 8-Month	2.04	0.13	1.91	4th Wettest	Wettest since: 2010	2019
Apr–Dec 2015 9-Month	1.87	0.12	1.75	126th Driest	Driest since: 2014	1910
Apr–Dec 2015 9-Month	1.87	0.12	1.75	5th Wettest	Wettest since: 2010	2019
Mar–Dec 2015 10-Month	1.54	0.12	1.42	123rd Driest	Driest since: 2014	1910
Mar–Dec 2015 10-Month	1.54	0.12	1.42	8th Wettest	Wettest since: 1993	2019
Feb–Dec 2015 11-Month	1.35	0.12	1.23	121st Driest	Driest since: 2013	1910
Feb–Dec 2015 11-Month	1.35	0.12	1.23	10th Wettest	Wettest since: 2014	2019
Jan–Dec 2015 12-Month	1.20	0.13	1.07	120th Driest	Driest since: 2013	1910
	1.20	0.13	1.07	11th Wettest	Wettest since: 2014	2019
	Ties: 2010
Jul 2014–Dec 2015 18-Month	1.02	0.13	0.89	119th Driest	Driest since: 2014	1910
Jul 2014–Dec 2015 18-Month	1.02	0.13	0.89	11th Wettest	Wettest since: 2010	2019
Jan 2014–Dec 2015 24-Month	1.28	0.13	1.15	127th Driest	Driest since: 2014	1949
Jan 2014–Dec 2015 24-Month	1.28	0.13	1.15	3rd Wettest	Wettest to Date	2019
Jan 2013–Dec 2015 36-Month	1.00	0.14	0.86	122nd Driest	Driest since: 2014	1950
Jan 2013–Dec 2015 36-Month	1.00	0.14	0.86	7th Wettest	Wettest since: 1904	2019
Jan 2012–Dec 2015 48-Month	0.55	0.13	0.42	98th Driest	Driest since: 2014	1934
	0.55	0.13	0.42	30th Wettest	Wettest since: 2010	2019
	Ties: 1954
Jan 2011–Dec 2015 60-Month	0.45	0.13	0.32	92nd Driest	Driest since: 2014	1934
	0.45	0.13	0.32	35th Wettest	Wettest since: 2014	2019
	Ties: 1971, 2010, 2014

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 28, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings

Climate at a Glance Divisional Rankings

Divisional Rankings

Wisconsin, Climate Division 4

December 2015 Palmer Z-Index Rankings

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