Statewide Rankings

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Please note, Degree Days and Palmer Indices are not available for Alaska. 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

Average Temperature Rankings, December 1991

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1991 1-Month	31.1°F (-0.5°C)	28.1°F (-2.2°C)	3.0°F (1.7°C)	92nd Coolest	Coolest since: 1989	1989
	31.1°F (-0.5°C)	28.1°F (-2.2°C)	3.0°F (1.7°C)	37th Warmest	Warmest since: 1990	2015
	Ties: 1907, 1948, 1949, 1959
Nov–Dec 1991 2-Month	36.1°F (2.3°C)	33.7°F (0.9°C)	2.4°F (1.4°C)	96th Coolest	Coolest since: 1989	1917
Nov–Dec 1991 2-Month	36.1°F (2.3°C)	33.7°F (0.9°C)	2.4°F (1.4°C)	33rd Warmest	Warmest since: 1990	2015
Oct–Dec 1991 3-Month	41.5°F (5.3°C)	39.1°F (3.9°C)	2.4°F (1.4°C)	102nd Coolest	Coolest since: 1989	1917
	41.5°F (5.3°C)	39.1°F (3.9°C)	2.4°F (1.4°C)	27th Warmest	Warmest since: 1990	2015
	Ties: 2017
Sep–Dec 1991 4-Month	46.0°F (7.8°C)	44.5°F (6.9°C)	1.5°F (0.9°C)	94th Coolest	Coolest since: 1989	1917
	46.0°F (7.8°C)	44.5°F (6.9°C)	1.5°F (0.9°C)	35th Warmest	Warmest since: 1990	2015
	Ties: 1973
Aug–Dec 1991 5-Month	50.8°F (10.4°C)	49.1°F (9.5°C)	1.7°F (0.9°C)	100th Coolest	Coolest since: 1989	1904
	50.8°F (10.4°C)	49.1°F (9.5°C)	1.7°F (0.9°C)	29th Warmest	Warmest since: 1990	2015
	Ties: 1979, 1982
Jul–Dec 1991 6-Month	54.0°F (12.2°C)	52.5°F (11.4°C)	1.5°F (0.8°C)	97th Coolest	Coolest since: 1989	1904
	54.0°F (12.2°C)	52.5°F (11.4°C)	1.5°F (0.8°C)	32nd Warmest	Warmest since: 1990	2015
	Ties: 1982, 2013
Jun–Dec 1991 7-Month	55.7°F (13.2°C)	54.2°F (12.3°C)	1.5°F (0.9°C)	99th Coolest	Coolest since: 1989	1904
	55.7°F (13.2°C)	54.2°F (12.3°C)	1.5°F (0.9°C)	30th Warmest	Warmest since: 1990	2021
	Ties: 1959, 1961, 1983, 2008
May–Dec 1991 8-Month	56.4°F (13.6°C)	54.4°F (12.4°C)	2.0°F (1.2°C)	112th Coolest	Coolest since: 1990	1917
	56.4°F (13.6°C)	54.4°F (12.4°C)	2.0°F (1.2°C)	17th Warmest	Warmest since: 1990	2015
	Ties: 1990, 1994
Apr–Dec 1991 9-Month	55.6°F (13.1°C)	53.3°F (11.8°C)	2.3°F (1.3°C)	116th Coolest	Coolest since: 1990	1917
	55.6°F (13.1°C)	53.3°F (11.8°C)	2.3°F (1.3°C)	13th Warmest	Warmest to Date	2015
	Ties: 2018
Mar–Dec 1991 10-Month	53.8°F (12.1°C)	51.4°F (10.8°C)	2.4°F (1.3°C)	117th Coolest	Coolest since: 1990	1917
Mar–Dec 1991 10-Month	53.8°F (12.1°C)	51.4°F (10.8°C)	2.4°F (1.3°C)	12th Warmest	Warmest to Date	2021
Feb–Dec 1991 11-Month	51.8°F (11.0°C)	49.0°F (9.4°C)	2.8°F (1.6°C)	119th Coolest	Coolest since: 1990	1917
Feb–Dec 1991 11-Month	51.8°F (11.0°C)	49.0°F (9.4°C)	2.8°F (1.6°C)	10th Warmest	Warmest to Date	2012
Jan–Dec 1991 12-Month	49.6°F (9.8°C)	47.0°F (8.3°C)	2.6°F (1.5°C)	116th Coolest	Coolest since: 1989	1904
	49.6°F (9.8°C)	47.0°F (8.3°C)	2.6°F (1.5°C)	13th Warmest	Warmest since: 1990	2012
	Ties: 1953, 2017
Jul 1990–Dec 1991 18-Month	51.5°F (10.8°C)	48.8°F (9.3°C)	2.7°F (1.5°C)	119th Coolest	Coolest since: 1990	1904
Jul 1990–Dec 1991 18-Month	51.5°F (10.8°C)	48.8°F (9.3°C)	2.7°F (1.5°C)	9th Warmest	Warmest to Date	2012
Jan 1990–Dec 1991 24-Month	49.6°F (9.8°C)	46.9°F (8.3°C)	2.7°F (1.5°C)	119th Coolest	Coolest since: 1990	1905
Jan 1990–Dec 1991 24-Month	49.6°F (9.8°C)	46.9°F (8.3°C)	2.7°F (1.5°C)	9th Warmest	Warmest to Date	2021
Jan 1989–Dec 1991 36-Month	48.6°F (9.2°C)	46.9°F (8.3°C)	1.7°F (0.9°C)	106th Coolest	Coolest since: 1990	1905
Jan 1989–Dec 1991 36-Month	48.6°F (9.2°C)	46.9°F (8.3°C)	1.7°F (0.9°C)	21st Warmest	Warmest since: 1953	2022
Jan 1988–Dec 1991 48-Month	48.3°F (9.1°C)	46.9°F (8.3°C)	1.4°F (0.8°C)	104th Coolest	Coolest since: 1990	1907
	48.3°F (9.1°C)	46.9°F (8.3°C)	1.4°F (0.8°C)	22nd Warmest	Warmest since: 1955	2022
	Ties: 1952, 1953, 1955, 2003, 2004, 2006
Jan 1987–Dec 1991 60-Month	48.1°F (8.9°C)	46.9°F (8.3°C)	1.2°F (0.6°C)	99th Coolest	Coolest since: 1990	1907
	48.1°F (8.9°C)	46.9°F (8.3°C)	1.2°F (0.6°C)	26th Warmest	Warmest since: 1955	2022
	Ties: 1954, 1994, 1998, 2004

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 5, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings