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.

Idaho

Average Temperature Rankings, September 1951

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1951 1-Month	54.9°F (12.7°C)	54.7°F (12.6°C)	0.2°F (0.1°C)	56th Coolest	Coolest since: 1950	1912, 1965
	54.9°F (12.7°C)	54.7°F (12.6°C)	0.2°F (0.1°C)	73rd Warmest	Warmest since: 1950	1990
	Ties: 1908, 1930, 1950, 2007
Aug–Sep 1951 2-Month	58.6°F (14.8°C)	59.2°F (15.1°C)	-0.6°F (-0.3°C)	39th Coolest	Coolest since: 1945	1912
	58.6°F (14.8°C)	59.2°F (15.1°C)	-0.6°F (-0.3°C)	90th Warmest	Warmest since: 1950	2022
	Ties: 1928, 1932, 1956, 1989
Jul–Sep 1951 3-Month	61.0°F (16.1°C)	61.1°F (16.2°C)	-0.1°F (-0.1°C)	50th Coolest	Coolest since: 1950	1912
	61.0°F (16.1°C)	61.1°F (16.2°C)	-0.1°F (-0.1°C)	79th Warmest	Warmest since: 1949	2022
	Ties: 1928, 1974
Jun–Sep 1951 4-Month	59.1°F (15.1°C)	60.0°F (15.6°C)	-0.9°F (-0.5°C)	23rd Coolest	Coolest since: 1945	1993
	59.1°F (15.1°C)	60.0°F (15.6°C)	-0.9°F (-0.5°C)	106th Warmest	Warmest since: 1950	2021
	Ties: 1976
May–Sep 1951 5-Month	57.2°F (14.0°C)	57.9°F (14.4°C)	-0.7°F (-0.4°C)	30th Coolest	Coolest since: 1950	1912
	57.2°F (14.0°C)	57.9°F (14.4°C)	-0.7°F (-0.4°C)	99th Warmest	Warmest since: 1949	2021
	Ties: 1909, 1942, 1955, 1982, 1983
Apr–Sep 1951 6-Month	54.7°F (12.6°C)	55.1°F (12.8°C)	-0.4°F (-0.2°C)	42nd Coolest	Coolest since: 1950	1912
	54.7°F (12.6°C)	55.1°F (12.8°C)	-0.4°F (-0.2°C)	87th Warmest	Warmest since: 1949	2021
	Ties: 1941, 1948, 1954, 2008
Mar–Sep 1951 7-Month	50.9°F (10.5°C)	51.8°F (11.0°C)	-0.9°F (-0.5°C)	24th Coolest	Coolest since: 1950	1912
	50.9°F (10.5°C)	51.8°F (11.0°C)	-0.9°F (-0.5°C)	105th Warmest	Warmest since: 1949	1934, 2015
	Ties: 1896, 1908, 1984
Feb–Sep 1951 8-Month	48.0°F (8.9°C)	48.7°F (9.3°C)	-0.7°F (-0.4°C)	34th Coolest	Coolest since: 1950	1964
	48.0°F (8.9°C)	48.7°F (9.3°C)	-0.7°F (-0.4°C)	95th Warmest	Warmest since: 1949	1934, 2015
	Ties: 1901, 1908, 1962, 2011
Jan–Sep 1951 9-Month	45.0°F (7.2°C)	45.7°F (7.6°C)	-0.7°F (-0.4°C)	33rd Coolest	Coolest since: 1950	1917
Jan–Sep 1951 9-Month	45.0°F (7.2°C)	45.7°F (7.6°C)	-0.7°F (-0.4°C)	96th Warmest	Warmest since: 1948	1934
Dec 1950–Sep 1951 10-Month	43.5°F (6.4°C)	43.5°F (6.4°C)	0.0°F (0.0°C)	53rd Coolest	Coolest since: 1950	1917
	43.5°F (6.4°C)	43.5°F (6.4°C)	0.0°F (0.0°C)	75th Warmest	Warmest since: 1947	1934
	Ties: 1896, 1904, 1935, 1956, 1999, 2002, 2010, 2011
Nov 1950–Sep 1951 11-Month	42.6°F (5.9°C)	42.5°F (5.8°C)	0.1°F (0.1°C)	69th Coolest	Coolest since: 1950	1917
	42.6°F (5.9°C)	42.5°F (5.8°C)	0.1°F (0.1°C)	59th Warmest	Warmest since: 1947	1934
	Ties: 1901, 1921, 1924, 1946, 1969, 1980, 1995, 1999, 2010
Oct 1950–Sep 1951 12-Month	42.9°F (6.1°C)	42.6°F (5.9°C)	0.3°F (0.2°C)	74th Coolest	Coolest since: 1950	1917
	42.9°F (6.1°C)	42.6°F (5.9°C)	0.3°F (0.2°C)	54th Warmest	Warmest since: 1947	1934
	Ties: 1898, 1908, 1947, 1977, 1980
Apr 1950–Sep 1951 18-Month	46.5°F (8.1°C)	46.7°F (8.2°C)	-0.2°F (-0.1°C)	45th Coolest	Coolest since: 1949	1917
	46.5°F (8.1°C)	46.7°F (8.2°C)	-0.2°F (-0.1°C)	83rd Warmest	Warmest since: 1950	2015
	Ties: 1896, 1936, 1982
Oct 1949–Sep 1951 24-Month	42.2°F (5.7°C)	42.6°F (5.9°C)	-0.4°F (-0.2°C)	35th Coolest	Coolest since: 1950	1917
	42.2°F (5.7°C)	42.6°F (5.9°C)	-0.4°F (-0.2°C)	92nd Warmest	Warmest since: 1948	2016
	Ties: 1944, 1945, 1955, 1975, 1980
Oct 1948–Sep 1951 36-Month	41.7°F (5.4°C)	42.6°F (5.9°C)	-0.9°F (-0.5°C)	11th Coolest	Coolest since: 1950	1917
	41.7°F (5.4°C)	42.6°F (5.9°C)	-0.9°F (-0.5°C)	115th Warmest	Warmest since: 1949	2017
	Ties: 1912
Oct 1947–Sep 1951 48-Month	41.9°F (5.5°C)	42.6°F (5.9°C)	-0.7°F (-0.4°C)	13th Coolest	Coolest since: 1950	1913, 1917, 1932
	41.9°F (5.5°C)	42.6°F (5.9°C)	-0.7°F (-0.4°C)	112th Warmest	Warmest since: 1950	2018
	Ties: 1918, 1950, 1965
Oct 1946–Sep 1951 60-Month	42.1°F (5.6°C)	42.6°F (5.9°C)	-0.5°F (-0.3°C)	16th Coolest	Coolest since: 1950	1917, 1933
	42.1°F (5.6°C)	42.6°F (5.9°C)	-0.5°F (-0.3°C)	108th Warmest	Warmest since: 1950	2016, 2017, 2018
	Ties: 1903, 1918, 1931, 1950, 1975, 1976

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 26, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings