National Rankings

Parameter:

Year:

Month:

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 1990

View Period (Months):

All

Download: CSV JSON XML

Record Coolest

Bottom ⅒

Bottom ⅓

Normal

Top ⅓

Top ⅒

Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1990 1-Month	80.37°F (26.87°C)	77.81°F (25.45°C)	2.56°F (1.42°C)	116th Coolest	Coolest since: 1989	1965
September 1990 1-Month	80.37°F (26.87°C)	77.81°F (25.45°C)	2.56°F (1.42°C)	13th Warmest	Warmest since: 1953	1998
Aug–Sep 1990 2-Month	82.64°F (28.13°C)	81.48°F (27.49°C)	1.16°F (0.64°C)	97th Coolest	Coolest since: 1989	1965
	82.64°F (28.13°C)	81.48°F (27.49°C)	1.16°F (0.64°C)	32nd Warmest	Warmest since: 1983	1998
	Ties: 2003
Jul–Sep 1990 3-Month	83.67°F (28.71°C)	83.21°F (28.45°C)	0.46°F (0.26°C)	78th Coolest	Coolest since: 1989	1912
	83.67°F (28.71°C)	83.21°F (28.45°C)	0.46°F (0.26°C)	51st Warmest	Warmest since: 1988	1936
	Ties: 2013
Jun–Sep 1990 4-Month	83.57°F (28.65°C)	82.74°F (28.19°C)	0.83°F (0.46°C)	91st Coolest	Coolest since: 1989	1915
Jun–Sep 1990 4-Month	83.57°F (28.65°C)	82.74°F (28.19°C)	0.83°F (0.46°C)	38th Warmest	Warmest since: 1988	1936
May–Sep 1990 5-Month	81.03°F (27.24°C)	80.78°F (27.10°C)	0.25°F (0.14°C)	68th Coolest	Coolest since: 1989	1915
May–Sep 1990 5-Month	81.03°F (27.24°C)	80.78°F (27.10°C)	0.25°F (0.14°C)	61st Warmest	Warmest since: 1988	1936
Apr–Sep 1990 6-Month	78.36°F (25.76°C)	77.90°F (25.50°C)	0.46°F (0.26°C)	77th Coolest	Coolest since: 1989	1907
	78.36°F (25.76°C)	77.90°F (25.50°C)	0.46°F (0.26°C)	52nd Warmest	Warmest since: 1988	2012
	Ties: 1919
Mar–Sep 1990 7-Month	75.18°F (23.99°C)	74.35°F (23.53°C)	0.83°F (0.46°C)	94th Coolest	Coolest since: 1989	1912
Mar–Sep 1990 7-Month	75.18°F (23.99°C)	74.35°F (23.53°C)	0.83°F (0.46°C)	35th Warmest	Warmest since: 1988	2012
Feb–Sep 1990 8-Month	71.80°F (22.11°C)	70.66°F (21.48°C)	1.14°F (0.63°C)	100th Coolest	Coolest since: 1989	1912
Feb–Sep 1990 8-Month	71.80°F (22.11°C)	70.66°F (21.48°C)	1.14°F (0.63°C)	29th Warmest	Warmest since: 1988	2012
Jan–Sep 1990 9-Month	69.07°F (20.59°C)	67.30°F (19.61°C)	1.77°F (0.98°C)	116th Coolest	Coolest since: 1989	1912
	69.07°F (20.59°C)	67.30°F (19.61°C)	1.77°F (0.98°C)	13th Warmest	Warmest since: 1954	2012
	Ties: 1954
Dec 1989–Sep 1990 10-Month	66.05°F (18.92°C)	64.86°F (18.26°C)	1.19°F (0.66°C)	104th Coolest	Coolest since: 1989	1912
	66.05°F (18.92°C)	64.86°F (18.26°C)	1.19°F (0.66°C)	24th Warmest	Warmest since: 1988	2012
	Ties: 1988
Nov 1989–Sep 1990 11-Month	65.03°F (18.35°C)	63.75°F (17.64°C)	1.28°F (0.71°C)	109th Coolest	Coolest since: 1989	1912
	65.03°F (18.35°C)	63.75°F (17.64°C)	1.28°F (0.71°C)	19th Warmest	Warmest since: 1988	2012
	Ties: 1988
Oct 1989–Sep 1990 12-Month	65.23°F (18.46°C)	64.01°F (17.78°C)	1.22°F (0.68°C)	108th Coolest	Coolest since: 1989	1912
Oct 1989–Sep 1990 12-Month	65.23°F (18.46°C)	64.01°F (17.78°C)	1.22°F (0.68°C)	20th Warmest	Warmest since: 1981	2012
Apr 1989–Sep 1990 18-Month	69.45°F (20.81°C)	68.64°F (20.36°C)	0.81°F (0.45°C)	96th Coolest	Coolest since: 1989	1912
Apr 1989–Sep 1990 18-Month	69.45°F (20.81°C)	68.64°F (20.36°C)	0.81°F (0.45°C)	32nd Warmest	Warmest since: 1988	2012
Oct 1988–Sep 1990 24-Month	64.78°F (18.21°C)	64.00°F (17.78°C)	0.78°F (0.43°C)	98th Coolest	Coolest since: 1989	1913
Oct 1988–Sep 1990 24-Month	64.78°F (18.21°C)	64.00°F (17.78°C)	0.78°F (0.43°C)	29th Warmest	Warmest since: 1988	2017
Oct 1987–Sep 1990 36-Month	64.92°F (18.29°C)	63.98°F (17.77°C)	0.94°F (0.52°C)	101st Coolest	Coolest since: 1989	1917
	64.92°F (18.29°C)	63.98°F (17.77°C)	0.94°F (0.52°C)	25th Warmest	Warmest since: 1955	2018
	Ties: 2003
Oct 1986–Sep 1990 48-Month	64.92°F (18.29°C)	63.97°F (17.76°C)	0.95°F (0.53°C)	98th Coolest	Coolest since: 1989	1915
Oct 1986–Sep 1990 48-Month	64.92°F (18.29°C)	63.97°F (17.76°C)	0.95°F (0.53°C)	27th Warmest	Warmest since: 1956	2018
Oct 1985–Sep 1990 60-Month	64.80°F (18.22°C)	63.96°F (17.76°C)	0.84°F (0.46°C)	93rd Coolest	Coolest since: 1989	1907
	64.80°F (18.22°C)	63.96°F (17.76°C)	0.84°F (0.46°C)	31st Warmest	Warmest since: 1957	2016
	Ties: 2011

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published March 2023, retrieved on March 20, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings