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 1978

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Record Coolest
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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1978 1-Month	78.28°F (25.71°C)	77.81°F (25.45°C)	0.47°F (0.26°C)	70th Coolest	Coolest since: 1977	1965
	78.28°F (25.71°C)	77.81°F (25.45°C)	0.47°F (0.26°C)	59th Warmest	Warmest since: 1963	1998
	Ties: 2004
Aug–Sep 1978 2-Month	81.56°F (27.53°C)	81.48°F (27.49°C)	0.08°F (0.04°C)	63rd Coolest	Coolest since: 1977	1965
Aug–Sep 1978 2-Month	81.56°F (27.53°C)	81.48°F (27.49°C)	0.08°F (0.04°C)	66th Warmest	Warmest since: 1970	1998
Jul–Sep 1978 3-Month	83.34°F (28.52°C)	83.21°F (28.45°C)	0.13°F (0.07°C)	68th Coolest	Coolest since: 1977	1912
Jul–Sep 1978 3-Month	83.34°F (28.52°C)	83.21°F (28.45°C)	0.13°F (0.07°C)	61st Warmest	Warmest since: 1970	1936
Jun–Sep 1978 4-Month	83.03°F (28.35°C)	82.74°F (28.19°C)	0.29°F (0.16°C)	68th Coolest	Coolest since: 1976	1915
Jun–Sep 1978 4-Month	83.03°F (28.35°C)	82.74°F (28.19°C)	0.29°F (0.16°C)	61st Warmest	Warmest since: 1977	1936
May–Sep 1978 5-Month	80.80°F (27.11°C)	80.78°F (27.10°C)	0.02°F (0.01°C)	58th Coolest	Coolest since: 1976	1915
May–Sep 1978 5-Month	80.80°F (27.11°C)	80.78°F (27.10°C)	0.02°F (0.01°C)	71st Warmest	Warmest since: 1977	1936
Apr–Sep 1978 6-Month	77.90°F (25.50°C)	77.90°F (25.50°C)	0.00°F (0.00°C)	55th Coolest	Coolest since: 1976	1907
Apr–Sep 1978 6-Month	77.90°F (25.50°C)	77.90°F (25.50°C)	0.00°F (0.00°C)	74th Warmest	Warmest since: 1977	2012
Mar–Sep 1978 7-Month	74.30°F (23.50°C)	74.35°F (23.53°C)	-0.05°F (-0.03°C)	57th Coolest	Coolest since: 1976	1912
Mar–Sep 1978 7-Month	74.30°F (23.50°C)	74.35°F (23.53°C)	-0.05°F (-0.03°C)	72nd Warmest	Warmest since: 1977	2012
Feb–Sep 1978 8-Month	69.74°F (20.97°C)	70.66°F (21.48°C)	-0.92°F (-0.51°C)	22nd Coolest	Coolest since: 1975	1912
Feb–Sep 1978 8-Month	69.74°F (20.97°C)	70.66°F (21.48°C)	-0.92°F (-0.51°C)	107th Warmest	Warmest since: 1977	2012
Jan–Sep 1978 9-Month	65.86°F (18.81°C)	67.30°F (19.61°C)	-1.44°F (-0.80°C)	12th Coolest	Coolest since: 1975	1912
	65.86°F (18.81°C)	67.30°F (19.61°C)	-1.44°F (-0.80°C)	117th Warmest	Warmest since: 1977	2012
	Ties: 1920
Dec 1977–Sep 1978 10-Month	63.60°F (17.56°C)	64.86°F (18.26°C)	-1.26°F (-0.70°C)	13th Coolest	Coolest since: 1975	1912
Dec 1977–Sep 1978 10-Month	63.60°F (17.56°C)	64.86°F (18.26°C)	-1.26°F (-0.70°C)	115th Warmest	Warmest since: 1977	2012
Nov 1977–Sep 1978 11-Month	62.67°F (17.04°C)	63.75°F (17.64°C)	-1.08°F (-0.60°C)	14th Coolest	Coolest since: 1975	1912
Nov 1977–Sep 1978 11-Month	62.67°F (17.04°C)	63.75°F (17.64°C)	-1.08°F (-0.60°C)	114th Warmest	Warmest since: 1977	2012
Oct 1977–Sep 1978 12-Month	63.01°F (17.23°C)	64.01°F (17.78°C)	-1.00°F (-0.55°C)	14th Coolest	Coolest since: 1975	1912
Oct 1977–Sep 1978 12-Month	63.01°F (17.23°C)	64.01°F (17.78°C)	-1.00°F (-0.55°C)	114th Warmest	Warmest since: 1977	2012
Apr 1977–Sep 1978 18-Month	68.37°F (20.21°C)	68.64°F (20.36°C)	-0.27°F (-0.15°C)	38th Coolest	Coolest since: 1975	1912
	68.37°F (20.21°C)	68.64°F (20.36°C)	-0.27°F (-0.15°C)	90th Warmest	Warmest since: 1977	2012
	Ties: 1896
Oct 1976–Sep 1978 24-Month	63.51°F (17.51°C)	64.00°F (17.78°C)	-0.49°F (-0.27°C)	28th Coolest	Coolest since: 1973	1913
Oct 1976–Sep 1978 24-Month	63.51°F (17.51°C)	64.00°F (17.78°C)	-0.49°F (-0.27°C)	99th Warmest	Warmest since: 1977	2017
Oct 1975–Sep 1978 36-Month	63.97°F (17.76°C)	63.98°F (17.77°C)	-0.01°F (-0.01°C)	54th Coolest	Coolest since: 1977	1917
Oct 1975–Sep 1978 36-Month	63.97°F (17.76°C)	63.98°F (17.77°C)	-0.01°F (-0.01°C)	72nd Warmest	Warmest since: 1976	2018
Oct 1974–Sep 1978 48-Month	63.72°F (17.62°C)	63.97°F (17.76°C)	-0.25°F (-0.14°C)	34th Coolest	Coolest since: 1975	1915
Oct 1974–Sep 1978 48-Month	63.72°F (17.62°C)	63.97°F (17.76°C)	-0.25°F (-0.14°C)	91st Warmest	Warmest since: 1977	2018
Oct 1973–Sep 1978 60-Month	63.88°F (17.71°C)	63.96°F (17.76°C)	-0.08°F (-0.05°C)	49th Coolest	Coolest since: 1977	1907
Oct 1973–Sep 1978 60-Month	63.88°F (17.71°C)	63.96°F (17.76°C)	-0.08°F (-0.05°C)	75th Warmest	Warmest since: 1967	2016

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published May 2023, retrieved on May 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings