Statewide Rankings

Parameter:

Year:

Month:

State:

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 2018

View Period (Months):

All

Download:

Record Coolest

Bottom 1/10

Bottom 1/3

Normal

Top 1/3

Top 1/10

Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 2018 1-Month	56.2°F (13.4°C)	54.7°F (12.6°C)	1.5°F (0.8°C)	87th Coolest	Coolest since: 2017	1912, 1965
	56.2°F (13.4°C)	54.7°F (12.6°C)	1.5°F (0.8°C)	42nd Warmest	Warmest since: 2015	1990
	Ties: 1976
Aug–Sep 2018 2-Month	60.6°F (15.9°C)	59.1°F (15.1°C)	1.5°F (0.8°C)	99th Coolest	Coolest since: 2016	1912
	60.6°F (15.9°C)	59.1°F (15.1°C)	1.5°F (0.8°C)	30th Warmest	Warmest since: 2017	2022
	Ties: 1897, 1904, 1953, 2021
Jul–Sep 2018 3-Month	63.2°F (17.3°C)	61.1°F (16.2°C)	2.1°F (1.1°C)	112th Coolest	Coolest since: 2016	1912
	63.2°F (17.3°C)	61.1°F (16.2°C)	2.1°F (1.1°C)	17th Warmest	Warmest since: 2017	2022
	Ties: 2009
Jun–Sep 2018 4-Month	61.8°F (16.6°C)	60.0°F (15.6°C)	1.8°F (1.0°C)	109th Coolest	Coolest since: 2016	1993
	61.8°F (16.6°C)	60.0°F (15.6°C)	1.8°F (1.0°C)	20th Warmest	Warmest since: 2017	2021
	Ties: 1936, 2014
May–Sep 2018 5-Month	60.3°F (15.7°C)	57.9°F (14.4°C)	2.4°F (1.3°C)	118th Coolest	Coolest since: 2016	1912
	60.3°F (15.7°C)	57.9°F (14.4°C)	2.4°F (1.3°C)	11th Warmest	Warmest since: 2017	2021
	Ties: 1936, 2006
Apr–Sep 2018 6-Month	57.3°F (14.1°C)	55.1°F (12.8°C)	2.2°F (1.3°C)	117th Coolest	Coolest since: 2017	1912
Apr–Sep 2018 6-Month	57.3°F (14.1°C)	55.1°F (12.8°C)	2.2°F (1.3°C)	12th Warmest	Warmest since: 2015	2021
Mar–Sep 2018 7-Month	53.9°F (12.2°C)	51.8°F (11.0°C)	2.1°F (1.2°C)	114th Coolest	Coolest since: 2014	1912
	53.9°F (12.2°C)	51.8°F (11.0°C)	2.1°F (1.2°C)	15th Warmest	Warmest since: 2017	1934, 2015
	Ties: 1987, 2022
Feb–Sep 2018 8-Month	50.4°F (10.2°C)	48.6°F (9.2°C)	1.8°F (1.0°C)	107th Coolest	Coolest since: 2011	1964
	50.4°F (10.2°C)	48.6°F (9.2°C)	1.8°F (1.0°C)	22nd Warmest	Warmest since: 2017	1934, 2015
	Ties: 1925, 1930
Jan–Sep 2018 9-Month	48.2°F (9.0°C)	45.7°F (7.6°C)	2.5°F (1.4°C)	118th Coolest	Coolest since: 2017	1917
Jan–Sep 2018 9-Month	48.2°F (9.0°C)	45.7°F (7.6°C)	2.5°F (1.4°C)	11th Warmest	Warmest since: 2016	1934
Dec 2017–Sep 2018 10-Month	45.9°F (7.7°C)	43.5°F (6.4°C)	2.4°F (1.3°C)	117th Coolest	Coolest since: 2017	1917
	45.9°F (7.7°C)	43.5°F (6.4°C)	2.4°F (1.3°C)	11th Warmest	Warmest since: 2016	1934
	Ties: 2000
Nov 2017–Sep 2018 11-Month	44.9°F (7.2°C)	42.4°F (5.8°C)	2.5°F (1.4°C)	119th Coolest	Coolest since: 2017	1917
Nov 2017–Sep 2018 11-Month	44.9°F (7.2°C)	42.4°F (5.8°C)	2.5°F (1.4°C)	9th Warmest	Warmest since: 2015	1934
Oct 2017–Sep 2018 12-Month	44.7°F (7.1°C)	42.6°F (5.9°C)	2.1°F (1.2°C)	118th Coolest	Coolest since: 2017	1917
	44.7°F (7.1°C)	42.6°F (5.9°C)	2.1°F (1.2°C)	10th Warmest	Warmest since: 2016	1934
	Ties: 1994, 2012
Apr 2017–Sep 2018 18-Month	48.8°F (9.3°C)	46.7°F (8.2°C)	2.1°F (1.1°C)	120th Coolest	Coolest since: 2017	1917
	48.8°F (9.3°C)	46.7°F (8.2°C)	2.1°F (1.1°C)	8th Warmest	Warmest since: 2016	2015
	Ties: 2003
Oct 2016–Sep 2018 24-Month	44.5°F (6.9°C)	42.6°F (5.9°C)	1.9°F (1.0°C)	118th Coolest	Coolest since: 2014	1917
	44.5°F (6.9°C)	42.6°F (5.9°C)	1.9°F (1.0°C)	9th Warmest	Warmest since: 2017	2016
	Ties: 2007
Oct 2015–Sep 2018 36-Month	44.8°F (7.1°C)	42.6°F (5.9°C)	2.2°F (1.2°C)	122nd Coolest	Coolest since: 2014	1917
Oct 2015–Sep 2018 36-Month	44.8°F (7.1°C)	42.6°F (5.9°C)	2.2°F (1.2°C)	4th Warmest	Warmest since: 2017	2017
Oct 2014–Sep 2018 48-Month	45.2°F (7.3°C)	42.5°F (5.8°C)	2.7°F (1.5°C)	124th Coolest	Coolest since: 2017	1913, 1917, 1932
Oct 2014–Sep 2018 48-Month	45.2°F (7.3°C)	42.5°F (5.8°C)	2.7°F (1.5°C)	1st Warmest	Warmest to Date	2018
Oct 2013–Sep 2018 60-Month	45.0°F (7.2°C)	42.5°F (5.8°C)	2.5°F (1.4°C)	123rd Coolest	Coolest since: 2017	1917, 1933
	45.0°F (7.2°C)	42.5°F (5.8°C)	2.5°F (1.4°C)	1st Warmest	Warmest since: 2017	2016, 2017, 2018
	Ties: 2016, 2017

Citing This Page

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