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.

Massachusetts, Climate Division 2

December 2001 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 2001 1-Month	-2.20	-0.02	-2.18	11th Driest	Driest since: 1998	1943
December 2001 1-Month	-2.20	-0.02	-2.18	120th Wettest	Wettest since: 2000	1901
Nov–Dec 2001 2-Month	-3.15	-0.13	-3.02	1st Driest	Driest to Date	2001
Nov–Dec 2001 2-Month	-3.15	-0.13	-3.02	130th Wettest	Wettest since: 2000	1972
Oct–Dec 2001 3-Month	-3.10	-0.11	-2.99	1st Driest	Driest to Date	2001
Oct–Dec 2001 3-Month	-3.10	-0.11	-2.99	130th Wettest	Wettest since: 2000	2005
Sep–Dec 2001 4-Month	-2.45	-0.09	-2.36	2nd Driest	Driest since: 1914	1914
Sep–Dec 2001 4-Month	-2.45	-0.09	-2.36	129th Wettest	Wettest since: 2000	2018
Aug–Dec 2001 5-Month	-2.09	-0.06	-2.03	1st Driest	Driest to Date	2001
Aug–Dec 2001 5-Month	-2.09	-0.06	-2.03	130th Wettest	Wettest since: 2000	2011
Jul–Dec 2001 6-Month	-1.70	-0.03	-1.67	6th Driest	Driest since: 1965	1949
Jul–Dec 2001 6-Month	-1.70	-0.03	-1.67	125th Wettest	Wettest since: 2000	2018
Jun–Dec 2001 7-Month	-1.15	-0.04	-1.11	15th Driest	Driest since: 1965	1949
Jun–Dec 2001 7-Month	-1.15	-0.04	-1.11	116th Wettest	Wettest since: 2000	1938
May–Dec 2001 8-Month	-1.17	-0.06	-1.11	12th Driest	Driest since: 1965	1964
May–Dec 2001 8-Month	-1.17	-0.06	-1.11	119th Wettest	Wettest since: 2000	1938
Apr–Dec 2001 9-Month	-1.35	-0.06	-1.29	7th Driest	Driest since: 1965	1964
Apr–Dec 2001 9-Month	-1.35	-0.06	-1.29	124th Wettest	Wettest since: 2000	1996
Mar–Dec 2001 10-Month	-0.73	-0.05	-0.68	19th Driest	Driest since: 1966	1965
Mar–Dec 2001 10-Month	-0.73	-0.05	-0.68	112th Wettest	Wettest since: 2000	1972
Feb–Dec 2001 11-Month	-0.70	-0.05	-0.65	20th Driest	Driest since: 1980	1965
Feb–Dec 2001 11-Month	-0.70	-0.05	-0.65	111th Wettest	Wettest since: 2000	2008
Jan–Dec 2001 12-Month	-0.79	-0.05	-0.74	14th Driest	Driest since: 1980	1965
Jan–Dec 2001 12-Month	-0.79	-0.05	-0.74	117th Wettest	Wettest since: 2000	2008
Jul 2000–Dec 2001 18-Month	-0.37	-0.05	-0.32	30th Driest	Driest since: 1999	1965
Jul 2000–Dec 2001 18-Month	-0.37	-0.05	-0.32	100th Wettest	Wettest since: 2000	2019
Jan 2000–Dec 2001 24-Month	-0.06	-0.05	-0.01	53rd Driest	Driest since: 1998	1965
Jan 2000–Dec 2001 24-Month	-0.06	-0.05	-0.01	77th Wettest	Wettest since: 2000	2009
Jan 1999–Dec 2001 36-Month	-0.12	-0.05	-0.07	44th Driest	Driest since: 1999	1965
	-0.12	-0.05	-0.07	85th Wettest	Wettest since: 2000	2010
	Ties: 1945
Jan 1998–Dec 2001 48-Month	-0.03	-0.05	0.02	55th Driest	Driest since: 1995	1966
Jan 1998–Dec 2001 48-Month	-0.03	-0.05	0.02	73rd Wettest	Wettest since: 2000	2011
Jan 1997–Dec 2001 60-Month	-0.13	-0.05	-0.08	39th Driest	Driest since: 1971	1966
	-0.13	-0.05	-0.08	88th Wettest	Wettest since: 2000	2009
	Ties: 1919, 1927

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 2001 Palmer Z-Index Rankings

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