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 1998 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1998 1-Month	-1.58	0.03	-1.61	14th Driest	Driest since: 1989	1976
December 1998 1-Month	-1.58	0.03	-1.61	117th Wettest	Wettest since: 1997	2015
Nov–Dec 1998 2-Month	-1.37	0.07	-1.44	19th Driest	Driest since: 1976	1976
Nov–Dec 1998 2-Month	-1.37	0.07	-1.44	112th Wettest	Wettest since: 1997	1991
Oct–Dec 1998 3-Month	-0.87	0.10	-0.97	32nd Driest	Driest since: 1989	1976
Oct–Dec 1998 3-Month	-0.87	0.10	-0.97	99th Wettest	Wettest since: 1997	1911
Sep–Dec 1998 4-Month	-1.40	0.10	-1.50	19th Driest	Driest since: 1976	1976
Sep–Dec 1998 4-Month	-1.40	0.10	-1.50	112th Wettest	Wettest since: 1997	1911
Aug–Dec 1998 5-Month	-0.72	0.08	-0.80	40th Driest	Driest since: 1989	1976
Aug–Dec 1998 5-Month	-0.72	0.08	-0.80	91st Wettest	Wettest since: 1997	1911
Jul–Dec 1998 6-Month	-0.96	0.11	-1.07	28th Driest	Driest since: 1976	1976
Jul–Dec 1998 6-Month	-0.96	0.11	-1.07	103rd Wettest	Wettest since: 1997	1900
Jun–Dec 1998 7-Month	-0.12	0.12	-0.24	52nd Driest	Driest since: 1989	1976
Jun–Dec 1998 7-Month	-0.12	0.12	-0.24	79th Wettest	Wettest since: 1997	2010
May–Dec 1998 8-Month	-0.08	0.13	-0.21	52nd Driest	Driest since: 1989	1976
May–Dec 1998 8-Month	-0.08	0.13	-0.21	79th Wettest	Wettest since: 1997	2019
Apr–Dec 1998 9-Month	-0.27	0.12	-0.39	43rd Driest	Driest since: 1989	1910
Apr–Dec 1998 9-Month	-0.27	0.12	-0.39	88th Wettest	Wettest since: 1997	2019
Mar–Dec 1998 10-Month	0.15	0.12	0.03	58th Driest	Driest since: 1989	1910
	0.15	0.12	0.03	73rd Wettest	Wettest since: 1997	2019
	Ties: 1961
Feb–Dec 1998 11-Month	0.37	0.12	0.25	73rd Driest	Driest since: 1997	1910
	0.37	0.12	0.25	58th Wettest	Wettest since: 1995	2019
	Ties: 1906
Jan–Dec 1998 12-Month	0.50	0.13	0.37	83rd Driest	Driest since: 1997	1910
	0.50	0.13	0.37	48th Wettest	Wettest since: 1996	2019
	Ties: 1907
Jul 1997–Dec 1998 18-Month	0.64	0.13	0.51	92nd Driest	Driest since: 1997	1910
Jul 1997–Dec 1998 18-Month	0.64	0.13	0.51	38th Wettest	Wettest since: 1993	2019
Jan 1997–Dec 1998 24-Month	0.44	0.13	0.31	82nd Driest	Driest since: 1997	1949
	0.44	0.13	0.31	48th Wettest	Wettest since: 1997	2019
	Ties: 1901, 1987, 1997
Jan 1996–Dec 1998 36-Month	0.46	0.14	0.32	93rd Driest	Driest since: 1997	1950
Jan 1996–Dec 1998 36-Month	0.46	0.14	0.32	36th Wettest	Wettest since: 1995	2019
Jan 1995–Dec 1998 48-Month	0.44	0.13	0.31	87th Driest	Driest since: 1997	1934
	0.44	0.13	0.31	41st Wettest	Wettest since: 1996	2019
	Ties: 1992
Jan 1994–Dec 1998 60-Month	0.44	0.13	0.31	88th Driest	Driest since: 1992	1934
	0.44	0.13	0.31	39th Wettest	Wettest since: 1997	2019
	Ties: 1929

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 1998 Palmer Z-Index Rankings

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