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 1999

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1999 1-Month	32.8°F (0.4°C)	28.1°F (-2.2°C)	4.7°F (2.6°C)	108th Coolest	Coolest since: 1997	1989
December 1999 1-Month	32.8°F (0.4°C)	28.1°F (-2.2°C)	4.7°F (2.6°C)	21st Warmest	Warmest since: 1998	2015
Nov–Dec 1999 2-Month	38.8°F (3.8°C)	33.7°F (0.9°C)	5.1°F (2.9°C)	120th Coolest	Coolest since: 1998	1917
	38.8°F (3.8°C)	33.7°F (0.9°C)	5.1°F (2.9°C)	9th Warmest	Warmest since: 1994	2015
	Ties: 1953, 1990
Oct–Dec 1999 3-Month	42.2°F (5.7°C)	39.2°F (4.0°C)	3.0°F (1.7°C)	112th Coolest	Coolest since: 1997	1917
	42.2°F (5.7°C)	39.2°F (4.0°C)	3.0°F (1.7°C)	17th Warmest	Warmest since: 1998	2015
	Ties: 1927, 1979
Sep–Dec 1999 4-Month	47.7°F (8.7°C)	44.4°F (6.9°C)	3.3°F (1.8°C)	118th Coolest	Coolest since: 1998	1917
Sep–Dec 1999 4-Month	47.7°F (8.7°C)	44.4°F (6.9°C)	3.3°F (1.8°C)	11th Warmest	Warmest since: 1990	2015
Aug–Dec 1999 5-Month	51.9°F (11.1°C)	49.1°F (9.5°C)	2.8°F (1.6°C)	116th Coolest	Coolest since: 1997	1904
Aug–Dec 1999 5-Month	51.9°F (11.1°C)	49.1°F (9.5°C)	2.8°F (1.6°C)	13th Warmest	Warmest since: 1998	2015
Jul–Dec 1999 6-Month	55.4°F (13.0°C)	52.5°F (11.4°C)	2.9°F (1.6°C)	119th Coolest	Coolest since: 1998	1904
	55.4°F (13.0°C)	52.5°F (11.4°C)	2.9°F (1.6°C)	10th Warmest	Warmest since: 1990	2015
	Ties: 1990, 2018
Jun–Dec 1999 7-Month	57.2°F (14.0°C)	54.2°F (12.3°C)	3.0°F (1.7°C)	121st Coolest	Coolest since: 1998	1904
	57.2°F (14.0°C)	54.2°F (12.3°C)	3.0°F (1.7°C)	8th Warmest	Warmest to Date	2021
	Ties: 2001
May–Dec 1999 8-Month	57.2°F (14.0°C)	54.4°F (12.4°C)	2.8°F (1.6°C)	120th Coolest	Coolest since: 1998	1917
	57.2°F (14.0°C)	54.4°F (12.4°C)	2.8°F (1.6°C)	9th Warmest	Warmest to Date	2015
	Ties: 2018
Apr–Dec 1999 9-Month	56.0°F (13.3°C)	53.3°F (11.8°C)	2.7°F (1.5°C)	120th Coolest	Coolest since: 1998	1917
	56.0°F (13.3°C)	53.3°F (11.8°C)	2.7°F (1.5°C)	9th Warmest	Warmest to Date	2015
	Ties: 2001
Mar–Dec 1999 10-Month	54.1°F (12.3°C)	51.4°F (10.8°C)	2.7°F (1.5°C)	120th Coolest	Coolest since: 1998	1917
Mar–Dec 1999 10-Month	54.1°F (12.3°C)	51.4°F (10.8°C)	2.7°F (1.5°C)	9th Warmest	Warmest to Date	2021
Feb–Dec 1999 11-Month	51.9°F (11.1°C)	49.0°F (9.4°C)	2.9°F (1.7°C)	120th Coolest	Coolest since: 1997	1917
Feb–Dec 1999 11-Month	51.9°F (11.1°C)	49.0°F (9.4°C)	2.9°F (1.7°C)	9th Warmest	Warmest since: 1998	2012
Jan–Dec 1999 12-Month	49.8°F (9.9°C)	46.9°F (8.3°C)	2.9°F (1.6°C)	120th Coolest	Coolest since: 1997	1904
Jan–Dec 1999 12-Month	49.8°F (9.9°C)	46.9°F (8.3°C)	2.9°F (1.6°C)	9th Warmest	Warmest since: 1998	2012
Jul 1998–Dec 1999 18-Month	51.6°F (10.9°C)	48.8°F (9.3°C)	2.8°F (1.6°C)	120th Coolest	Coolest since: 1998	1904
Jul 1998–Dec 1999 18-Month	51.6°F (10.9°C)	48.8°F (9.3°C)	2.8°F (1.6°C)	8th Warmest	Warmest to Date	2012
Jan 1998–Dec 1999 24-Month	50.1°F (10.1°C)	46.9°F (8.3°C)	3.2°F (1.8°C)	124th Coolest	Coolest since: 1998	1905
	50.1°F (10.1°C)	46.9°F (8.3°C)	3.2°F (1.8°C)	4th Warmest	Warmest to Date	2021
	Ties: 2013
Jan 1997–Dec 1999 36-Month	49.2°F (9.6°C)	46.9°F (8.3°C)	2.3°F (1.3°C)	117th Coolest	Coolest since: 1998	1905
	49.2°F (9.6°C)	46.9°F (8.3°C)	2.3°F (1.3°C)	10th Warmest	Warmest to Date	2022
	Ties: 2000, 2019
Jan 1996–Dec 1999 48-Month	48.7°F (9.3°C)	46.9°F (8.3°C)	1.8°F (1.0°C)	109th Coolest	Coolest since: 1998	1907
	48.7°F (9.3°C)	46.9°F (8.3°C)	1.8°F (1.0°C)	17th Warmest	Warmest to Date	2022
	Ties: 2009, 2010
Jan 1995–Dec 1999 60-Month	48.5°F (9.2°C)	46.9°F (8.3°C)	1.6°F (0.9°C)	105th Coolest	Coolest since: 1998	1907
	48.5°F (9.2°C)	46.9°F (8.3°C)	1.6°F (0.9°C)	20th Warmest	Warmest since: 1953	2022
	Ties: 2000, 2006

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published February 2023, retrieved on February 8, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings