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 1918 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1918 1-Month	-0.04	-0.02	-0.02	70th Driest	Driest since: 1917	1943
December 1918 1-Month	-0.04	-0.02	-0.02	61st Wettest	Wettest since: 1915	1901
Nov–Dec 1918 2-Month	-0.69	-0.13	-0.56	48th Driest	Driest since: 1917	2001
Nov–Dec 1918 2-Month	-0.69	-0.13	-0.56	83rd Wettest	Wettest since: 1915	1972
Oct–Dec 1918 3-Month	-1.11	-0.11	-1.00	23rd Driest	Driest since: 1916	2001
Oct–Dec 1918 3-Month	-1.11	-0.11	-1.00	108th Wettest	Wettest since: 1917	2005
Sep–Dec 1918 4-Month	0.03	-0.09	0.12	65th Driest	Driest since: 1917	1914
Sep–Dec 1918 4-Month	0.03	-0.09	0.12	66th Wettest	Wettest since: 1911	2018
Aug–Dec 1918 5-Month	-0.32	-0.06	-0.26	53rd Driest	Driest since: 1916	2001
Aug–Dec 1918 5-Month	-0.32	-0.06	-0.26	78th Wettest	Wettest since: 1917	2011
Jul–Dec 1918 6-Month	-0.33	-0.03	-0.30	50th Driest	Driest since: 1917	1949
Jul–Dec 1918 6-Month	-0.33	-0.03	-0.30	81st Wettest	Wettest since: 1916	2018
Jun–Dec 1918 7-Month	-0.24	-0.04	-0.20	54th Driest	Driest since: 1917	1949
Jun–Dec 1918 7-Month	-0.24	-0.04	-0.20	77th Wettest	Wettest since: 1916	1938
May–Dec 1918 8-Month	-0.51	-0.06	-0.45	39th Driest	Driest since: 1914	1964
May–Dec 1918 8-Month	-0.51	-0.06	-0.45	92nd Wettest	Wettest since: 1917	1938
Apr–Dec 1918 9-Month	-0.55	-0.06	-0.49	33rd Driest	Driest since: 1914	1964
Apr–Dec 1918 9-Month	-0.55	-0.06	-0.49	98th Wettest	Wettest since: 1917	1996
Mar–Dec 1918 10-Month	-0.62	-0.05	-0.57	24th Driest	Driest since: 1914	1965
	-0.62	-0.05	-0.57	107th Wettest	Wettest since: 1917	1972
	Ties: 1913
Feb–Dec 1918 11-Month	-0.57	-0.05	-0.52	25th Driest	Driest since: 1914	1965
Feb–Dec 1918 11-Month	-0.57	-0.05	-0.52	106th Wettest	Wettest since: 1917	2008
Jan–Dec 1918 12-Month	-0.56	-0.05	-0.51	22nd Driest	Driest since: 1914	1965
Jan–Dec 1918 12-Month	-0.56	-0.05	-0.51	109th Wettest	Wettest since: 1917	2008
Jul 1917–Dec 1918 18-Month	-0.54	-0.05	-0.49	19th Driest	Driest since: 1914	1965
Jul 1917–Dec 1918 18-Month	-0.54	-0.05	-0.49	111th Wettest	Wettest since: 1917	2019
Jan 1917–Dec 1918 24-Month	-0.40	-0.05	-0.35	28th Driest	Driest since: 1915	1965
Jan 1917–Dec 1918 24-Month	-0.40	-0.05	-0.35	102nd Wettest	Wettest since: 1917	2009
Jan 1916–Dec 1918 36-Month	-0.24	-0.05	-0.19	34th Driest	Driest since: 1916	1965
Jan 1916–Dec 1918 36-Month	-0.24	-0.05	-0.19	95th Wettest	Wettest since: 1917	2010
Jan 1915–Dec 1918 48-Month	-0.15	-0.05	-0.10	38th Driest	Driest since: 1917	1966
Jan 1915–Dec 1918 48-Month	-0.15	-0.05	-0.10	90th Wettest	Wettest since: 1907	2011
Jan 1914–Dec 1918 60-Month	-0.33	-0.05	-0.28	21st Driest	Driest since: 1917	1966
Jan 1914–Dec 1918 60-Month	-0.33	-0.05	-0.28	106th Wettest	Wettest since: 1909	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 1918 Palmer Z-Index Rankings

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