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City 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

State: Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Puerto Rico Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington Washington, D.C. West Virginia Wisconsin Wyoming

City: Boise Lewiston Pocatello

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« August 1991

October 1991 »

Lewiston, Idaho

Average Temperature Rankings, September 1991

View Period (Months):All1234567891011121824364860

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• Record Coolest
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• Record Warmest

Period	Value	1981-2010 Mean	Anomaly	Rank (1895-2021)	Warmest/Coolest Since	Record
September 1991 1-Month	67.1°F (19.5°C)	64.9°F (18.3°C)	2.2°F (1.2°C)	103rd Coolest	Coolest since: 1989	1895
				21st Warmest	Warmest since: 1990	1938
Aug–Sep 1991 2-Month	71.9°F (22.2°C)	69.6°F (20.9°C)	2.3°F (1.3°C)	111th Coolest	Coolest since: 1989	1912
				13th Warmest	Warmest since: 1990	1967
	Ties: 1981
Jul–Sep 1991 3-Month	72.7°F (22.6°C)	71.3°F (21.8°C)	1.4°F (0.8°C)	101st Coolest	Coolest since: 1989	1912
				23rd Warmest	Warmest since: 1990	1967
Jun–Sep 1991 4-Month	70.2°F (21.2°C)	70.1°F (21.2°C)	0.1°F (0.0°C)	84th Coolest	Coolest since: 1989	1895, 1954
				40th Warmest	Warmest since: 1990	2021
	Ties: 1934, 1982, 1992
May–Sep 1991 5-Month	67.4°F (19.7°C)	67.9°F (19.9°C)	-0.5°F (-0.2°C)	57th Coolest	Coolest since: 1989	1916
				67th Warmest	Warmest since: 1990	2021
	Ties: 1904, 1914, 1923, 1926, 1957, 1977, 2002
Apr–Sep 1991 6-Month	64.5°F (18.1°C)	65.2°F (18.4°C)	-0.7°F (-0.3°C)	49th Coolest	Coolest since: 1984	1902
				75th Warmest	Warmest since: 1990	2021
	Ties: 1946, 1956, 1981, 2002
Mar–Sep 1991 7-Month	61.5°F (16.4°C)	62.4°F (16.9°C)	-0.9°F (-0.5°C)	48th Coolest	Coolest since: 1985	1955
				76th Warmest	Warmest since: 1990	1940, 2021
	Ties: 1982, 1985, 1995, 2008
Feb–Sep 1991 8-Month	59.5°F (15.3°C)	59.4°F (15.2°C)	0.1°F (0.1°C)	81st Coolest	Coolest since: 1989	1955
				43rd Warmest	Warmest since: 1990	1940
	Ties: 1977, 1986
Jan–Sep 1991 9-Month	56.5°F (13.6°C)	56.8°F (13.8°C)	-0.3°F (-0.2°C)	76th Coolest	Coolest since: 1989	1916
				48th Warmest	Warmest since: 1990	1934
	Ties: 1906, 1924, 1995, 1997
Dec 1990–Sep 1991 10-Month	53.7°F (12.1°C)	54.6°F (12.6°C)	-0.9°F (-0.5°C)	49th Coolest	Coolest since: 1989	1916
				72nd Warmest	Warmest since: 1990	1940, 2015
	Ties: 1904, 1915, 1921, 1930, 1944, 1945
Nov 1990–Sep 1991 11-Month	52.9°F (11.6°C)	53.4°F (11.9°C)	-0.5°F (-0.3°C)	70th Coolest	Coolest since: 1989	1916
				51st Warmest	Warmest since: 1990	1940, 2015
	Ties: 1906, 1946, 1963, 1973, 1977, 1978, 1995, 2010
Oct 1990–Sep 1991 12-Month	52.7°F (11.5°C)	53.2°F (11.8°C)	-0.5°F (-0.3°C)	57th Coolest	Coolest since: 1986	1916, 1920
				63rd Warmest	Warmest since: 1990	2015
	Ties: 1915, 1944, 1978, 1999, 2008
Apr 1990–Sep 1991 18-Month	57.4°F (14.1°C)	57.2°F (14.0°C)	0.2°F (0.1°C)	87th Coolest	Coolest since: 1989	1917
				32nd Warmest	Warmest since: 1990	2015
	Ties: 1981, 1994
Oct 1989–Sep 1991 24-Month	53.7°F (12.1°C)	53.2°F (11.8°C)	0.5°F (0.3°C)	96th Coolest	Coolest since: 1989	1917
				22nd Warmest	Warmest since: 1990	2016
	Ties: 1995, 2018
Oct 1988–Sep 1991 36-Month	53.4°F (11.9°C)	53.2°F (11.8°C)	0.2°F (0.1°C)	87th Coolest	Coolest since: 1988	1917
				29th Warmest	Warmest since: 1990	1940
Oct 1987–Sep 1991 48-Month	53.5°F (11.9°C)	53.3°F (11.8°C)	0.2°F (0.1°C)	96th Coolest	Coolest since: 1989	1913, 1957
				18th Warmest	Warmest since: 1990	2016
	Ties: 1939, 1968, 1993, 1995, 2004, 2009, 2014
Oct 1986–Sep 1991 60-Month	53.6°F (12.0°C)	53.2°F (11.8°C)	0.4°F (0.2°C)	96th Coolest	Coolest since: 1990	1917
				16th Warmest	Warmest since: 1943	2016
	Ties: 1939, 1943, 2004, 2005, 2009

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, Average Temperature, published September 2022, retrieved on October 6, 2022 from https://www.ncdc.noaa.gov/cag/