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.

Oklahoma

Minimum 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	30.3°F (-0.9°C)	27.8°F (-2.3°C)	2.5°F (1.4°C)	102nd Coolest	Coolest since: 1998	1983
	30.3°F (-0.9°C)	27.8°F (-2.3°C)	2.5°F (1.4°C)	27th Warmest	Warmest since: 1994	2021
	Ties: 1907
Nov–Dec 1999 2-Month	36.0°F (2.2°C)	32.0°F (0.0°C)	4.0°F (2.2°C)	122nd Coolest	Coolest since: 1998	1898
	36.0°F (2.2°C)	32.0°F (0.0°C)	4.0°F (2.2°C)	7th Warmest	Warmest since: 1998	1913, 1931
	Ties: 1998
Oct–Dec 1999 3-Month	39.7°F (4.3°C)	37.6°F (3.1°C)	2.1°F (1.2°C)	109th Coolest	Coolest since: 1997	1976
	39.7°F (4.3°C)	37.6°F (3.1°C)	2.1°F (1.2°C)	20th Warmest	Warmest since: 1998	1931
	Ties: 1962
Sep–Dec 1999 4-Month	44.3°F (6.8°C)	43.3°F (6.3°C)	1.0°F (0.5°C)	94th Coolest	Coolest since: 1997	1976
Sep–Dec 1999 4-Month	44.3°F (6.8°C)	43.3°F (6.3°C)	1.0°F (0.5°C)	35th Warmest	Warmest since: 1998	1931
Aug–Dec 1999 5-Month	49.3°F (9.6°C)	48.4°F (9.1°C)	0.9°F (0.5°C)	99th Coolest	Coolest since: 1997	1976
	49.3°F (9.6°C)	48.4°F (9.1°C)	0.9°F (0.5°C)	30th Warmest	Warmest since: 1998	1931
	Ties: 1899, 2010, 2011
Jul–Dec 1999 6-Month	52.8°F (11.6°C)	51.8°F (11.0°C)	1.0°F (0.6°C)	102nd Coolest	Coolest since: 1997	1976
	52.8°F (11.6°C)	51.8°F (11.0°C)	1.0°F (0.6°C)	27th Warmest	Warmest since: 1998	1931, 1998
	Ties: 1937, 1956, 1971, 1986, 2017
Jun–Dec 1999 7-Month	54.6°F (12.6°C)	53.8°F (12.1°C)	0.8°F (0.5°C)	94th Coolest	Coolest since: 1997	1976
	54.6°F (12.6°C)	53.8°F (12.1°C)	0.8°F (0.5°C)	35th Warmest	Warmest since: 1998	1931, 1998
	Ties: 1944, 1981
May–Dec 1999 8-Month	54.7°F (12.6°C)	54.1°F (12.3°C)	0.6°F (0.3°C)	85th Coolest	Coolest since: 1997	1976
	54.7°F (12.6°C)	54.1°F (12.3°C)	0.6°F (0.3°C)	44th Warmest	Warmest since: 1998	1998
	Ties: 1938, 1971, 2006
Apr–Dec 1999 9-Month	54.0°F (12.2°C)	53.3°F (11.8°C)	0.7°F (0.4°C)	86th Coolest	Coolest since: 1997	1976
	54.0°F (12.2°C)	53.3°F (11.8°C)	0.7°F (0.4°C)	43rd Warmest	Warmest since: 1998	1998
	Ties: 1925, 1944, 1947, 1978, 1980, 2019
Mar–Dec 1999 10-Month	52.4°F (11.3°C)	51.7°F (10.9°C)	0.7°F (0.4°C)	93rd Coolest	Coolest since: 1997	1917, 1976
	52.4°F (11.3°C)	51.7°F (10.9°C)	0.7°F (0.4°C)	36th Warmest	Warmest since: 1998	2012
	Ties: 1935, 1937, 1965
Feb–Dec 1999 11-Month	50.9°F (10.5°C)	49.6°F (9.8°C)	1.3°F (0.7°C)	110th Coolest	Coolest since: 1997	1917
	50.9°F (10.5°C)	49.6°F (9.8°C)	1.3°F (0.7°C)	19th Warmest	Warmest since: 1998	1998, 2012
	Ties: 1911, 1991
Jan–Dec 1999 12-Month	49.0°F (9.4°C)	47.6°F (8.7°C)	1.4°F (0.7°C)	112th Coolest	Coolest since: 1997	1917
	49.0°F (9.4°C)	47.6°F (8.7°C)	1.4°F (0.7°C)	17th Warmest	Warmest since: 1998	1998
	Ties: 2001, 2007
Jul 1998–Dec 1999 18-Month	51.2°F (10.7°C)	49.0°F (9.4°C)	2.2°F (1.3°C)	125th Coolest	Coolest since: 1998	1917
	51.2°F (10.7°C)	49.0°F (9.4°C)	2.2°F (1.3°C)	3rd Warmest	Warmest to Date	2016
	Ties: 2017
Jan 1998–Dec 1999 24-Month	49.7°F (9.8°C)	47.5°F (8.6°C)	2.2°F (1.2°C)	126th Coolest	Coolest since: 1998	1917
Jan 1998–Dec 1999 24-Month	49.7°F (9.8°C)	47.5°F (8.6°C)	2.2°F (1.2°C)	2nd Warmest	Warmest to Date	2017
Jan 1997–Dec 1999 36-Month	48.9°F (9.4°C)	47.5°F (8.6°C)	1.4°F (0.8°C)	120th Coolest	Coolest since: 1998	1905, 1917, 1918
	48.9°F (9.4°C)	47.5°F (8.6°C)	1.4°F (0.8°C)	7th Warmest	Warmest since: 1935	2017
	Ties: 1933, 2006
Jan 1996–Dec 1999 48-Month	48.3°F (9.1°C)	47.5°F (8.6°C)	0.8°F (0.5°C)	102nd Coolest	Coolest since: 1998	1898, 1906, 1979
	48.3°F (9.1°C)	47.5°F (8.6°C)	0.8°F (0.5°C)	24th Warmest	Warmest since: 1957	2001, 2018
	Ties: 1944, 1955, 1957, 2004, 2015, 2022
Jan 1995–Dec 1999 60-Month	48.1°F (8.9°C)	47.5°F (8.6°C)	0.6°F (0.3°C)	87th Coolest	Coolest since: 1998	1899
	48.1°F (8.9°C)	47.5°F (8.6°C)	0.6°F (0.3°C)	38th Warmest	Warmest since: 1958	2019
	Ties: 1940, 1945, 1946, 1958

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 4, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings