National Rankings

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Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Contiguous U.S.

Maximum Temperature Rankings, September 1917

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1917 1-Month	77.07°F (25.04°C)	77.81°F (25.45°C)	-0.74°F (-0.41°C)	38th Coolest	Coolest since: 1916	1965
September 1917 1-Month	77.07°F (25.04°C)	77.81°F (25.45°C)	-0.74°F (-0.41°C)	91st Warmest	Warmest since: 1914	1998
Aug–Sep 1917 2-Month	80.78°F (27.10°C)	81.47°F (27.48°C)	-0.69°F (-0.38°C)	32nd Coolest	Coolest since: 1915	1965
Aug–Sep 1917 2-Month	80.78°F (27.10°C)	81.47°F (27.48°C)	-0.69°F (-0.38°C)	97th Warmest	Warmest since: 1916	1998
Jul–Sep 1917 3-Month	83.19°F (28.44°C)	83.21°F (28.45°C)	-0.02°F (-0.01°C)	59th Coolest	Coolest since: 1916	1912
	83.19°F (28.44°C)	83.21°F (28.45°C)	-0.02°F (-0.01°C)	70th Warmest	Warmest since: 1914	1936
	Ties: 1914, 1981
Jun–Sep 1917 4-Month	82.58°F (28.10°C)	82.74°F (28.19°C)	-0.16°F (-0.09°C)	51st Coolest	Coolest since: 1916	1915
	82.58°F (28.10°C)	82.74°F (28.19°C)	-0.16°F (-0.09°C)	78th Warmest	Warmest since: 1914	1936
	Ties: 1966
May–Sep 1917 5-Month	79.52°F (26.40°C)	80.79°F (27.11°C)	-1.27°F (-0.71°C)	11th Coolest	Coolest since: 1915	1915
	79.52°F (26.40°C)	80.79°F (27.11°C)	-1.27°F (-0.71°C)	118th Warmest	Warmest since: 1916	1936
	Ties: 1968
Apr–Sep 1917 6-Month	76.34°F (24.63°C)	77.90°F (25.50°C)	-1.56°F (-0.87°C)	7th Coolest	Coolest since: 1912	1907
Apr–Sep 1917 6-Month	76.34°F (24.63°C)	77.90°F (25.50°C)	-1.56°F (-0.87°C)	122nd Warmest	Warmest since: 1916	2012
Mar–Sep 1917 7-Month	72.58°F (22.54°C)	74.34°F (23.52°C)	-1.76°F (-0.98°C)	6th Coolest	Coolest since: 1915	1912
Mar–Sep 1917 7-Month	72.58°F (22.54°C)	74.34°F (23.52°C)	-1.76°F (-0.98°C)	123rd Warmest	Warmest since: 1916	2012
Feb–Sep 1917 8-Month	68.75°F (20.42°C)	70.66°F (21.48°C)	-1.91°F (-1.06°C)	5th Coolest	Coolest since: 1912	1912
Feb–Sep 1917 8-Month	68.75°F (20.42°C)	70.66°F (21.48°C)	-1.91°F (-1.06°C)	124th Warmest	Warmest since: 1916	2012
Jan–Sep 1917 9-Month	65.44°F (18.58°C)	67.30°F (19.61°C)	-1.86°F (-1.03°C)	3rd Coolest	Coolest since: 1912	1912
	65.44°F (18.58°C)	67.30°F (19.61°C)	-1.86°F (-1.03°C)	126th Warmest	Warmest since: 1916	2012
	Ties: 1903
Dec 1916–Sep 1917 10-Month	62.88°F (17.16°C)	64.85°F (18.25°C)	-1.97°F (-1.09°C)	4th Coolest	Coolest since: 1915	1912
Dec 1916–Sep 1917 10-Month	62.88°F (17.16°C)	64.85°F (18.25°C)	-1.97°F (-1.09°C)	124th Warmest	Warmest since: 1916	2012
Nov 1916–Sep 1917 11-Month	61.96°F (16.64°C)	63.76°F (17.64°C)	-1.80°F (-1.00°C)	5th Coolest	Coolest since: 1915	1912
Nov 1916–Sep 1917 11-Month	61.96°F (16.64°C)	63.76°F (17.64°C)	-1.80°F (-1.00°C)	123rd Warmest	Warmest since: 1916	2012
Oct 1916–Sep 1917 12-Month	62.20°F (16.78°C)	64.01°F (17.78°C)	-1.81°F (-1.00°C)	4th Coolest	Coolest since: 1912	1912
Oct 1916–Sep 1917 12-Month	62.20°F (16.78°C)	64.01°F (17.78°C)	-1.81°F (-1.00°C)	124th Warmest	Warmest since: 1916	2012
Apr 1916–Sep 1917 18-Month	67.17°F (19.54°C)	68.64°F (20.36°C)	-1.47°F (-0.82°C)	2nd Coolest	Coolest since: 1912	1912
Apr 1916–Sep 1917 18-Month	67.17°F (19.54°C)	68.64°F (20.36°C)	-1.47°F (-0.82°C)	126th Warmest	Warmest since: 1916	2012
Oct 1915–Sep 1917 24-Month	63.05°F (17.25°C)	63.99°F (17.77°C)	-0.94°F (-0.52°C)	7th Coolest	Coolest since: 1913	1913
	63.05°F (17.25°C)	63.99°F (17.77°C)	-0.94°F (-0.52°C)	120th Warmest	Warmest since: 1916	2017
	Ties: 1903
Oct 1914–Sep 1917 36-Month	62.82°F (17.12°C)	63.98°F (17.77°C)	-1.16°F (-0.65°C)	1st Coolest	Coolest since: 1917	1917
Oct 1914–Sep 1917 36-Month	62.82°F (17.12°C)	63.98°F (17.77°C)	-1.16°F (-0.65°C)	125th Warmest	Warmest since: 1916	2018
Oct 1913–Sep 1917 48-Month	63.11°F (17.28°C)	63.97°F (17.76°C)	-0.86°F (-0.48°C)	7th Coolest	Coolest since: 1915	1915
Oct 1913–Sep 1917 48-Month	63.11°F (17.28°C)	63.97°F (17.76°C)	-0.86°F (-0.48°C)	118th Warmest	Warmest since: 1916	2018
Oct 1912–Sep 1917 60-Month	63.21°F (17.34°C)	63.96°F (17.76°C)	-0.75°F (-0.42°C)	5th Coolest	Coolest since: 1916	1907
Oct 1912–Sep 1917 60-Month	63.21°F (17.34°C)	63.96°F (17.76°C)	-0.75°F (-0.42°C)	119th Warmest	Warmest since: 1914	2016

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published January 2023, retrieved on February 4, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings