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National 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

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« August 1909

October 1909 »

Contiguous U.S.

Minimum Temperature Rankings, September 1909

View Period (Months):All1234567891011121824364860

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• Record Coolest
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• Record Warmest

Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2021)	Warmest/Coolest Since	Record
September 1909 1-Month	51.46°F (10.81°C)	51.90°F (11.06°C)	-0.44°F (-0.25°C)	41st Coolest	Coolest since: 1907	1918
				87th Warmest	Warmest since: 1908	2019
Aug–Sep 1909 2-Month	55.62°F (13.12°C)	55.48°F (13.04°C)	0.14°F (0.08°C)	64th Coolest	Coolest since: 1908	1974
				64th Warmest	Warmest since: 1906	2019
Jul–Sep 1909 3-Month	57.08°F (13.93°C)	57.16°F (13.98°C)	-0.08°F (-0.05°C)	52nd Coolest	Coolest since: 1908	1924
				76th Warmest	Warmest since: 1906	1998
Jun–Sep 1909 4-Month	56.91°F (13.84°C)	56.78°F (13.77°C)	0.13°F (0.07°C)	60th Coolest	Coolest since: 1908	1903
				68th Warmest	Warmest since: 1901	2021
May–Sep 1909 5-Month	54.58°F (12.54°C)	54.92°F (12.73°C)	-0.34°F (-0.19°C)	32nd Coolest	Coolest since: 1908	1907, 1924
				96th Warmest	Warmest since: 1906	2018
	Ties: 1979
Apr–Sep 1909 6-Month	51.55°F (10.86°C)	52.20°F (11.22°C)	-0.65°F (-0.36°C)	20th Coolest	Coolest since: 1907	1907
				108th Warmest	Warmest since: 1908	2018
Mar–Sep 1909 7-Month	48.38°F (9.10°C)	49.02°F (9.46°C)	-0.64°F (-0.36°C)	22nd Coolest	Coolest since: 1907	1917
				106th Warmest	Warmest since: 1908	2012
Feb–Sep 1909 8-Month	45.32°F (7.40°C)	45.75°F (7.64°C)	-0.43°F (-0.24°C)	30th Coolest	Coolest since: 1907	1917
				98th Warmest	Warmest since: 1908	2012
Jan–Sep 1909 9-Month	42.76°F (5.98°C)	42.86°F (6.03°C)	-0.10°F (-0.05°C)	54th Coolest	Coolest since: 1907	1917
				74th Warmest	Warmest since: 1908	2012
	Ties: 1993
Dec 1908–Sep 1909 10-Month	40.80°F (4.89°C)	40.84°F (4.91°C)	-0.04°F (-0.02°C)	51st Coolest	Coolest since: 1907	1917
				76th Warmest	Warmest since: 1908	2016
	Ties: 1977, 1985
Nov 1908–Sep 1909 11-Month	39.88°F (4.38°C)	39.92°F (4.40°C)	-0.04°F (-0.02°C)	55th Coolest	Coolest since: 1907	1917
				72nd Warmest	Warmest since: 1908	2016
Oct 1908–Sep 1909 12-Month	39.81°F (4.34°C)	40.05°F (4.47°C)	-0.24°F (-0.13°C)	45th Coolest	Coolest since: 1907	1917
				82nd Warmest	Warmest since: 1908	2016
Apr 1908–Sep 1909 18-Month	43.79°F (6.55°C)	44.10°F (6.72°C)	-0.31°F (-0.17°C)	33rd Coolest	Coolest since: 1908	1917
				94th Warmest	Warmest since: 1907	2016
Oct 1907–Sep 1909 24-Month	40.00°F (4.44°C)	40.03°F (4.46°C)	-0.03°F (-0.02°C)	56th Coolest	Coolest since: 1908	1918
				70th Warmest	Warmest since: 1901	2017
Oct 1906–Sep 1909 36-Month	39.90°F (4.39°C)	40.02°F (4.46°C)	-0.12°F (-0.07°C)	49th Coolest	Coolest since: 1908	1918
				76th Warmest	Warmest since: 1902	2017, 2018
Oct 1905–Sep 1909 48-Month	39.87°F (4.37°C)	40.01°F (4.45°C)	-0.14°F (-0.08°C)	46th Coolest	Coolest since: 1908	1918
				78th Warmest	Warmest since: 1903	2018
Oct 1904–Sep 1909 60-Month	39.80°F (4.33°C)	40.00°F (4.44°C)	-0.20°F (-0.11°C)	36th Coolest	Coolest since: 1908	1920
				87th Warmest	Warmest since: 1901	2019, 2020
	Ties: 1910, 1963

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, Minimum Temperature, published September 2022, retrieved on September 26, 2022 from https://www.ncdc.noaa.gov/cag/