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 1929

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1929 1-Month	51.0°F (10.6°C)	54.7°F (12.6°C)	-3.7°F (-2.0°C)	12th Coolest	Coolest since: 1926	1912, 1965
	51.0°F (10.6°C)	54.7°F (12.6°C)	-3.7°F (-2.0°C)	117th Warmest	Warmest since: 1928	1990
	Ties: 1895, 1972
Aug–Sep 1929 2-Month	58.9°F (14.9°C)	59.2°F (15.1°C)	-0.3°F (-0.2°C)	50th Coolest	Coolest since: 1928	1912
	58.9°F (14.9°C)	59.2°F (15.1°C)	-0.3°F (-0.2°C)	79th Warmest	Warmest since: 1923	2022
	Ties: 1946, 2002
Jul–Sep 1929 3-Month	61.2°F (16.2°C)	61.1°F (16.2°C)	0.1°F (0.0°C)	56th Coolest	Coolest since: 1928	1912
	61.2°F (16.2°C)	61.1°F (16.2°C)	0.1°F (0.0°C)	73rd Warmest	Warmest since: 1925	2022
	Ties: 1957, 1973, 1975, 1984, 2004
Jun–Sep 1929 4-Month	59.8°F (15.4°C)	60.0°F (15.6°C)	-0.2°F (-0.2°C)	45th Coolest	Coolest since: 1928	1993
	59.8°F (15.4°C)	60.0°F (15.6°C)	-0.2°F (-0.2°C)	84th Warmest	Warmest since: 1926	2021
	Ties: 1948, 1955, 1982
May–Sep 1929 5-Month	57.4°F (14.1°C)	57.9°F (14.4°C)	-0.5°F (-0.3°C)	40th Coolest	Coolest since: 1927	1912
	57.4°F (14.1°C)	57.9°F (14.4°C)	-0.5°F (-0.3°C)	89th Warmest	Warmest since: 1928	2021
	Ties: 1896, 1917
Apr–Sep 1929 6-Month	54.1°F (12.3°C)	55.1°F (12.8°C)	-1.0°F (-0.5°C)	29th Coolest	Coolest since: 1927	1912
	54.1°F (12.3°C)	55.1°F (12.8°C)	-1.0°F (-0.5°C)	100th Warmest	Warmest since: 1928	2021
	Ties: 1953
Mar–Sep 1929 7-Month	51.0°F (10.6°C)	51.8°F (11.0°C)	-0.8°F (-0.4°C)	28th Coolest	Coolest since: 1927	1912
	51.0°F (10.6°C)	51.8°F (11.0°C)	-0.8°F (-0.4°C)	101st Warmest	Warmest since: 1928	1934, 2015
	Ties: 1909, 1948
Feb–Sep 1929 8-Month	46.7°F (8.2°C)	48.7°F (9.3°C)	-2.0°F (-1.1°C)	8th Coolest	Coolest since: 1917	1964
Feb–Sep 1929 8-Month	46.7°F (8.2°C)	48.7°F (9.3°C)	-2.0°F (-1.1°C)	121st Warmest	Warmest since: 1928	1934, 2015
Jan–Sep 1929 9-Month	43.0°F (6.1°C)	45.7°F (7.6°C)	-2.7°F (-1.5°C)	4th Coolest	Coolest since: 1917	1917
Jan–Sep 1929 9-Month	43.0°F (6.1°C)	45.7°F (7.6°C)	-2.7°F (-1.5°C)	125th Warmest	Warmest since: 1928	1934
Dec 1928–Sep 1929 10-Month	40.6°F (4.8°C)	43.5°F (6.4°C)	-2.9°F (-1.6°C)	2nd Coolest	Coolest since: 1917	1917
Dec 1928–Sep 1929 10-Month	40.6°F (4.8°C)	43.5°F (6.4°C)	-2.9°F (-1.6°C)	126th Warmest	Warmest since: 1928	1934
Nov 1928–Sep 1929 11-Month	39.8°F (4.3°C)	42.5°F (5.8°C)	-2.7°F (-1.5°C)	2nd Coolest	Coolest since: 1917	1917
Nov 1928–Sep 1929 11-Month	39.8°F (4.3°C)	42.5°F (5.8°C)	-2.7°F (-1.5°C)	126th Warmest	Warmest since: 1928	1934
Oct 1928–Sep 1929 12-Month	40.2°F (4.6°C)	42.6°F (5.9°C)	-2.4°F (-1.3°C)	2nd Coolest	Coolest since: 1917	1917
Oct 1928–Sep 1929 12-Month	40.2°F (4.6°C)	42.6°F (5.9°C)	-2.4°F (-1.3°C)	126th Warmest	Warmest since: 1928	1934
Apr 1928–Sep 1929 18-Month	45.1°F (7.3°C)	46.7°F (8.2°C)	-1.6°F (-0.9°C)	5th Coolest	Coolest since: 1917	1917
Apr 1928–Sep 1929 18-Month	45.1°F (7.3°C)	46.7°F (8.2°C)	-1.6°F (-0.9°C)	123rd Warmest	Warmest since: 1928	2015
Oct 1927–Sep 1929 24-Month	41.4°F (5.2°C)	42.6°F (5.9°C)	-1.2°F (-0.7°C)	7th Coolest	Coolest since: 1917	1917
	41.4°F (5.2°C)	42.6°F (5.9°C)	-1.2°F (-0.7°C)	120th Warmest	Warmest since: 1928	2016
	Ties: 1932, 1956, 1965, 1986
Oct 1926–Sep 1929 36-Month	41.8°F (5.4°C)	42.6°F (5.9°C)	-0.8°F (-0.5°C)	13th Coolest	Coolest since: 1922	1917
	41.8°F (5.4°C)	42.6°F (5.9°C)	-0.8°F (-0.5°C)	113th Warmest	Warmest since: 1928	2017
	Ties: 1931, 1952
Oct 1925–Sep 1929 48-Month	42.4°F (5.8°C)	42.6°F (5.9°C)	-0.2°F (-0.1°C)	40th Coolest	Coolest since: 1925	1913, 1917, 1932
	42.4°F (5.8°C)	42.6°F (5.9°C)	-0.2°F (-0.1°C)	85th Warmest	Warmest since: 1928	2018
	Ties: 1900, 1901, 1902, 1909, 1911, 1944, 1971, 1978, 1979
Oct 1924–Sep 1929 60-Month	42.5°F (5.8°C)	42.6°F (5.9°C)	-0.1°F (-0.1°C)	49th Coolest	Coolest since: 1925	1917, 1933
	42.5°F (5.8°C)	42.6°F (5.9°C)	-0.1°F (-0.1°C)	75th Warmest	Warmest since: 1928	2016, 2017, 2018
	Ties: 1900, 1902, 1904, 1905, 1930, 1947, 1948, 1978, 1980, 1988

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings