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.

Average Temperature Rankings, July 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
July 1978 1-Month	73.80°F (23.22°C)	73.61°F (23.12°C)	0.19°F (0.10°C)	64th Coolest	Coolest since: 1976	1915
July 1978 1-Month	73.80°F (23.22°C)	73.61°F (23.12°C)	0.19°F (0.10°C)	65th Warmest	Warmest since: 1977	1936
Jun–Jul 1978 2-Month	71.37°F (21.87°C)	71.05°F (21.69°C)	0.32°F (0.18°C)	66th Coolest	Coolest since: 1976	1915
	71.37°F (21.87°C)	71.05°F (21.69°C)	0.32°F (0.18°C)	63rd Warmest	Warmest since: 1977	2021
	Ties: 1961
May–Jul 1978 3-Month	67.49°F (19.72°C)	67.43°F (19.68°C)	0.06°F (0.04°C)	54th Coolest	Coolest since: 1976	1907
May–Jul 1978 3-Month	67.49°F (19.72°C)	67.43°F (19.68°C)	0.06°F (0.04°C)	75th Warmest	Warmest since: 1977	2018
Apr–Jul 1978 4-Month	63.52°F (17.51°C)	63.34°F (17.41°C)	0.18°F (0.10°C)	57th Coolest	Coolest since: 1976	1907
	63.52°F (17.51°C)	63.34°F (17.41°C)	0.18°F (0.10°C)	72nd Warmest	Warmest since: 1977	1934
	Ties: 1962
Mar–Jul 1978 5-Month	59.07°F (15.04°C)	58.97°F (14.98°C)	0.10°F (0.06°C)	62nd Coolest	Coolest since: 1976	1917
	59.07°F (15.04°C)	58.97°F (14.98°C)	0.10°F (0.06°C)	67th Warmest	Warmest since: 1977	2012
	Ties: 1941, 1942
Feb–Jul 1978 6-Month	53.89°F (12.16°C)	54.78°F (12.66°C)	-0.89°F (-0.50°C)	24th Coolest	Coolest since: 1975	1917
Feb–Jul 1978 6-Month	53.89°F (12.16°C)	54.78°F (12.66°C)	-0.89°F (-0.50°C)	105th Warmest	Warmest since: 1977	2012
Jan–Jul 1978 7-Month	49.89°F (9.94°C)	51.26°F (10.70°C)	-1.37°F (-0.76°C)	11th Coolest	Coolest since: 1929	1912
Jan–Jul 1978 7-Month	49.89°F (9.94°C)	51.26°F (10.70°C)	-1.37°F (-0.76°C)	118th Warmest	Warmest since: 1977	2012
Dec 1977–Jul 1978 8-Month	47.81°F (8.78°C)	48.94°F (9.41°C)	-1.13°F (-0.63°C)	11th Coolest	Coolest since: 1929	1917
Dec 1977–Jul 1978 8-Month	47.81°F (8.78°C)	48.94°F (9.41°C)	-1.13°F (-0.63°C)	117th Warmest	Warmest since: 1977	2012
Nov 1977–Jul 1978 9-Month	47.26°F (8.48°C)	48.14°F (8.97°C)	-0.88°F (-0.49°C)	14th Coolest	Coolest since: 1969	1912
	47.26°F (8.48°C)	48.14°F (8.97°C)	-0.88°F (-0.49°C)	114th Warmest	Warmest since: 1977	2012
	Ties: 1960, 1993
Oct 1977–Jul 1978 10-Month	47.94°F (8.86°C)	48.74°F (9.30°C)	-0.80°F (-0.44°C)	17th Coolest	Coolest since: 1973	1917
Oct 1977–Jul 1978 10-Month	47.94°F (8.86°C)	48.74°F (9.30°C)	-0.80°F (-0.44°C)	111th Warmest	Warmest since: 1977	2012
Sep 1977–Jul 1978 11-Month	49.57°F (9.76°C)	50.20°F (10.11°C)	-0.63°F (-0.35°C)	24th Coolest	Coolest since: 1975	1917
Sep 1977–Jul 1978 11-Month	49.57°F (9.76°C)	50.20°F (10.11°C)	-0.63°F (-0.35°C)	104th Warmest	Warmest since: 1977	2012
Aug 1977–Jul 1978 12-Month	51.42°F (10.79°C)	52.03°F (11.13°C)	-0.61°F (-0.34°C)	22nd Coolest	Coolest since: 1977	1917
	51.42°F (10.79°C)	52.03°F (11.13°C)	-0.61°F (-0.34°C)	106th Warmest	Warmest since: 1977	2012
	Ties: 1977
Feb 1977–Jul 1978 18-Month	53.15°F (11.75°C)	52.94°F (11.63°C)	0.21°F (0.12°C)	73rd Coolest	Coolest since: 1977	1917
Feb 1977–Jul 1978 18-Month	53.15°F (11.75°C)	52.94°F (11.63°C)	0.21°F (0.12°C)	55th Warmest	Warmest since: 1974	2017
Aug 1976–Jul 1978 24-Month	51.42°F (10.79°C)	52.02°F (11.12°C)	-0.60°F (-0.33°C)	18th Coolest	Coolest since: 1970	1913
Aug 1976–Jul 1978 24-Month	51.42°F (10.79°C)	52.02°F (11.12°C)	-0.60°F (-0.33°C)	109th Warmest	Warmest since: 1977	2017
Aug 1975–Jul 1978 36-Month	51.76°F (10.98°C)	52.00°F (11.11°C)	-0.24°F (-0.13°C)	35th Coolest	Coolest since: 1977	1917
	51.76°F (10.98°C)	52.00°F (11.11°C)	-0.24°F (-0.13°C)	91st Warmest	Warmest since: 1976	2018
	Ties: 1926, 1972
Aug 1974–Jul 1978 48-Month	51.63°F (10.91°C)	51.99°F (11.11°C)	-0.36°F (-0.20°C)	24th Coolest	Coolest since: 1973	1918
	51.63°F (10.91°C)	51.99°F (11.11°C)	-0.36°F (-0.20°C)	101st Warmest	Warmest since: 1977	2018
	Ties: 1973
Aug 1973–Jul 1978 60-Month	51.87°F (11.04°C)	51.98°F (11.10°C)	-0.11°F (-0.06°C)	43rd Coolest	Coolest since: 1977	1920
	51.87°F (11.04°C)	51.98°F (11.10°C)	-0.11°F (-0.06°C)	81st Warmest	Warmest since: 1976	2020
	Ties: 1922

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published March 2023, retrieved on March 27, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings