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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.

Massachusetts, Climate Division 2

December 1968 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1968 1-Month	2.22	-0.02	2.24	116th Driest	Driest since: 1967	1943
December 1968 1-Month	2.22	-0.02	2.24	15th Wettest	Wettest since: 1957	1901
Nov–Dec 1968 2-Month	1.77	-0.13	1.90	121st Driest	Driest since: 1967	2001
Nov–Dec 1968 2-Month	1.77	-0.13	1.90	10th Wettest	Wettest since: 1951	1972
Oct–Dec 1968 3-Month	0.48	-0.11	0.59	81st Driest	Driest since: 1967	2001
Oct–Dec 1968 3-Month	0.48	-0.11	0.59	50th Wettest	Wettest since: 1962	2005
Sep–Dec 1968 4-Month	-0.14	-0.09	-0.05	56th Driest	Driest since: 1967	1914
Sep–Dec 1968 4-Month	-0.14	-0.09	-0.05	75th Wettest	Wettest since: 1966	2018
Aug–Dec 1968 5-Month	-0.61	-0.06	-0.55	33rd Driest	Driest since: 1965	2001
Aug–Dec 1968 5-Month	-0.61	-0.06	-0.55	98th Wettest	Wettest since: 1967	2011
Jul–Dec 1968 6-Month	-0.92	-0.03	-0.89	23rd Driest	Driest since: 1965	1949
Jul–Dec 1968 6-Month	-0.92	-0.03	-0.89	108th Wettest	Wettest since: 1967	2018
Jun–Dec 1968 7-Month	-0.20	-0.04	-0.16	55th Driest	Driest since: 1966	1949
Jun–Dec 1968 7-Month	-0.20	-0.04	-0.16	76th Wettest	Wettest since: 1967	1938
May–Dec 1968 8-Month	-0.07	-0.06	-0.01	59th Driest	Driest since: 1966	1964
	-0.07	-0.06	-0.01	72nd Wettest	Wettest since: 1967	1938
	Ties: 1917
Apr–Dec 1968 9-Month	-0.33	-0.06	-0.27	46th Driest	Driest since: 1966	1964
Apr–Dec 1968 9-Month	-0.33	-0.06	-0.27	85th Wettest	Wettest since: 1967	1996
Mar–Dec 1968 10-Month	-0.05	-0.05	0.00	61st Driest	Driest since: 1966	1965
Mar–Dec 1968 10-Month	-0.05	-0.05	0.00	70th Wettest	Wettest since: 1967	1972
Feb–Dec 1968 11-Month	-0.32	-0.05	-0.27	42nd Driest	Driest since: 1966	1965
	-0.32	-0.05	-0.27	89th Wettest	Wettest since: 1967	2008
	Ties: 1947
Jan–Dec 1968 12-Month	-0.37	-0.05	-0.32	34th Driest	Driest since: 1966	1965
	-0.37	-0.05	-0.32	97th Wettest	Wettest since: 1967	2008
	Ties: 1931
Jul 1967–Dec 1968 18-Month	-0.27	-0.05	-0.22	37th Driest	Driest since: 1966	1965
Jul 1967–Dec 1968 18-Month	-0.27	-0.05	-0.22	93rd Wettest	Wettest since: 1967	2019
Jan 1967–Dec 1968 24-Month	-0.07	-0.05	-0.02	51st Driest	Driest since: 1967	1965
Jan 1967–Dec 1968 24-Month	-0.07	-0.05	-0.02	79th Wettest	Wettest since: 1961	2009
Jan 1966–Dec 1968 36-Month	-0.29	-0.05	-0.24	26th Driest	Driest since: 1967	1965
	-0.29	-0.05	-0.24	103rd Wettest	Wettest since: 1962	2010
	Ties: 1919, 1958
Jan 1965–Dec 1968 48-Month	-0.62	-0.05	-0.57	7th Driest	Driest since: 1967	1966
	-0.62	-0.05	-0.57	121st Wettest	Wettest since: 1964	2011
	Ties: 1964
Jan 1964–Dec 1968 60-Month	-0.77	-0.05	-0.72	4th Driest	Driest since: 1967	1966
Jan 1964–Dec 1968 60-Month	-0.77	-0.05	-0.72	123rd Wettest	Wettest since: 1964	2009

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

Massachusetts, Climate Division 2

December 1968 Palmer Z-Index Rankings

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