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Regional Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of August 2022. For more information, please see Climatological Rankings.

Parameter: Average Temperature Maximum Temperature Minimum Temperature Precipitation Cooling Degree Days Heating Degree Days Palmer Drought Severity Index (PDSI) Palmer Hydrological Drought Index (PHDI) Palmer Modified Drought Index (PMDI) Palmer Z-Index

Year: 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022

Month: January February March April May June July August September October November December

Region: Ohio Valley Climate Region Upper Midwest Climate Region Northeast Climate Region Northwest Climate Region South Climate Region Southeast Climate Region Southwest Climate Region West Climate Region Northern Rockies and Plains Climate Region Great Plains Southern Plains and Gulf Coast Rockies and Westward Eastern NWS Region Southern NWS Region Central NWS Region Western NWS Region Arkansas-White-Red Basin California River Basin Great Basin Great Lakes Basin Lower Colorado River Basin Lower Mississippi River Basin Mid-Atlantic Basin Missouri River Basin New England Basin Ohio River Basin Pacific Northwest Basin Rio Grande River Basin Souris-Red-Rainy Basin South Atlantic-Gulf Basin Tennessee River Basin Texas Gulf Coast River Basin Upper Colorado River Basin Upper Mississippi River Basin Corn Belt Cotton Belt Primary Hard Red Winter Wheat Belt Primary Corn and Soybean Belt Soybean Belt Spring Wheat Belt Winter Wheat Belt Corn Belt Cotton Belt Soybean Belt Spring Wheat Belt Winter Wheat Belt

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Upper Colorado River Basin

Average Temperature Rankings, December 2018

View Period (Months):All1234567891011121824364860

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Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2021)	Warmest/Coolest Since	Record
December 2018 1-Month	23.3°F (-4.8°C)	23.0°F (-5.0°C)	0.3°F (0.2°C)	59th Coolest	Coolest since: 2015	1909
				69th Warmest	Warmest since: 2017	1980
Nov–Dec 2018 2-Month	27.2°F (-2.7°C)	27.4°F (-2.6°C)	-0.2°F (-0.1°C)	50th Coolest	Coolest since: 2015	1895
				78th Warmest	Warmest since: 2017	2017
	Ties: 1903, 1927, 1935, 2015
Oct–Dec 2018 3-Month	33.0°F (0.6°C)	33.5°F (0.8°C)	-0.5°F (-0.2°C)	48th Coolest	Coolest since: 2013	1898
				80th Warmest	Warmest since: 2017	1950, 2017
	Ties: 1925, 1985, 2019
Sep–Dec 2018 4-Month	40.2°F (4.6°C)	39.2°F (4.0°C)	1.0°F (0.6°C)	86th Coolest	Coolest since: 2013	1898, 1912
				42nd Warmest	Warmest since: 2017	2021
	Ties: 1960, 1987, 2004
Aug–Dec 2018 5-Month	45.6°F (7.6°C)	44.3°F (6.8°C)	1.3°F (0.8°C)	94th Coolest	Coolest since: 2013	1912
				34th Warmest	Warmest since: 2017	2021
	Ties: 1942, 1988, 2019
Jul–Dec 2018 6-Month	49.9°F (9.9°C)	48.1°F (8.9°C)	1.8°F (1.0°C)	105th Coolest	Coolest since: 2015	1912
				23rd Warmest	Warmest since: 2017	2021
	Ties: 1934
Jun–Dec 2018 7-Month	52.1°F (11.2°C)	49.8°F (9.9°C)	2.3°F (1.3°C)	117th Coolest	Coolest since: 2015	1912
				11th Warmest	Warmest since: 2017	2021
	Ties: 2010, 2014
May–Dec 2018 8-Month	52.6°F (11.4°C)	50.0°F (10.0°C)	2.6°F (1.4°C)	123rd Coolest	Coolest since: 2016	1912
				5th Warmest	Warmest since: 2017	2021
	Ties: 2001, 2003, 2016
Apr–Dec 2018 9-Month	51.8°F (11.0°C)	49.1°F (9.5°C)	2.7°F (1.5°C)	124th Coolest	Coolest since: 2016	1912
				4th Warmest	Warmest since: 2017	2021
	Ties: 2020
Mar–Dec 2018 10-Month	50.2°F (10.1°C)	47.4°F (8.6°C)	2.8°F (1.5°C)	121st Coolest	Coolest since: 2016	1912
				7th Warmest	Warmest since: 2017	2012
	Ties: 2001, 2016
Feb–Dec 2018 11-Month	48.3°F (9.1°C)	45.5°F (7.5°C)	2.8°F (1.6°C)	121st Coolest	Coolest since: 2016	1912
				7th Warmest	Warmest since: 2017	2017
	Ties: 2016
Jan–Dec 2018 12-Month	46.6°F (8.1°C)	43.4°F (6.3°C)	3.2°F (1.8°C)	122nd Coolest	Coolest since: 2016	1895, 1912
				6th Warmest	Warmest since: 2017	2012
Jul 2017–Dec 2018 18-Month	48.2°F (9.0°C)	45.0°F (7.2°C)	3.2°F (1.8°C)	125th Coolest	Coolest since: 2017	1912
				2nd Warmest	Warmest since: 2017	1934
	Ties: 2017, 2021
Jan 2017–Dec 2018 24-Month	46.9°F (8.3°C)	43.5°F (6.4°C)	3.4°F (1.9°C)	126th Coolest	Coolest since: 2017	1913
				1st Warmest	Warmest to Date	2018
Jan 2016–Dec 2018 36-Month	46.6°F (8.1°C)	43.4°F (6.3°C)	3.2°F (1.8°C)	124th Coolest	Coolest since: 2016	1899, 1913
				2nd Warmest	Warmest since: 2017	2017
Jan 2015–Dec 2018 48-Month	46.6°F (8.1°C)	43.3°F (6.3°C)	3.3°F (1.8°C)	124th Coolest	Coolest since: 2017	1898
				1st Warmest	Warmest to Date	2018
Jan 2014–Dec 2018 60-Month	46.5°F (8.1°C)	43.4°F (6.3°C)	3.1°F (1.8°C)	123rd Coolest	Coolest since: 2017	1899
				1st Warmest	Warmest to Date	2018

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, Average Temperature, published September 2022, retrieved on September 30, 2022 from https://www.ncdc.noaa.gov/cag/