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.

Minimum Temperature Rankings, September 1929

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1929 1-Month	50.97°F (10.54°C)	51.90°F (11.06°C)	-0.93°F (-0.52°C)	30th Coolest	Coolest since: 1928	1918
September 1929 1-Month	50.97°F (10.54°C)	51.90°F (11.06°C)	-0.93°F (-0.52°C)	99th Warmest	Warmest since: 1927	2019
Aug–Sep 1929 2-Month	54.86°F (12.70°C)	55.48°F (13.04°C)	-0.62°F (-0.34°C)	30th Coolest	Coolest since: 1928	1974
	54.86°F (12.70°C)	55.48°F (13.04°C)	-0.62°F (-0.34°C)	99th Warmest	Warmest since: 1926	2019
	Ties: 1896, 1915
Jul–Sep 1929 3-Month	56.67°F (13.71°C)	57.17°F (13.98°C)	-0.50°F (-0.27°C)	28th Coolest	Coolest since: 1928	1924
	56.67°F (13.71°C)	57.17°F (13.98°C)	-0.50°F (-0.27°C)	101st Warmest	Warmest since: 1926	2022
	Ties: 1920
Jun–Sep 1929 4-Month	56.06°F (13.37°C)	56.78°F (13.77°C)	-0.72°F (-0.40°C)	22nd Coolest	Coolest since: 1928	1903
Jun–Sep 1929 4-Month	56.06°F (13.37°C)	56.78°F (13.77°C)	-0.72°F (-0.40°C)	107th Warmest	Warmest since: 1926	2021
May–Sep 1929 5-Month	54.06°F (12.26°C)	54.91°F (12.73°C)	-0.85°F (-0.47°C)	13th Coolest	Coolest since: 1924	1907, 1924
May–Sep 1929 5-Month	54.06°F (12.26°C)	54.91°F (12.73°C)	-0.85°F (-0.47°C)	116th Warmest	Warmest since: 1928	2018
Apr–Sep 1929 6-Month	51.60°F (10.89°C)	52.20°F (11.22°C)	-0.60°F (-0.33°C)	22nd Coolest	Coolest since: 1928	1907
Apr–Sep 1929 6-Month	51.60°F (10.89°C)	52.20°F (11.22°C)	-0.60°F (-0.33°C)	107th Warmest	Warmest since: 1927	2018
Mar–Sep 1929 7-Month	48.82°F (9.34°C)	49.03°F (9.46°C)	-0.21°F (-0.12°C)	41st Coolest	Coolest since: 1928	1917
Mar–Sep 1929 7-Month	48.82°F (9.34°C)	49.03°F (9.46°C)	-0.21°F (-0.12°C)	88th Warmest	Warmest since: 1927	2012
Feb–Sep 1929 8-Month	44.71°F (7.06°C)	45.75°F (7.64°C)	-1.04°F (-0.58°C)	11th Coolest	Coolest since: 1924	1917
Feb–Sep 1929 8-Month	44.71°F (7.06°C)	45.75°F (7.64°C)	-1.04°F (-0.58°C)	118th Warmest	Warmest since: 1928	2012
Jan–Sep 1929 9-Month	41.47°F (5.26°C)	42.86°F (6.03°C)	-1.39°F (-0.77°C)	7th Coolest	Coolest since: 1924	1917
Jan–Sep 1929 9-Month	41.47°F (5.26°C)	42.86°F (6.03°C)	-1.39°F (-0.77°C)	122nd Warmest	Warmest since: 1928	2012
Dec 1928–Sep 1929 10-Month	39.57°F (4.21°C)	40.84°F (4.91°C)	-1.27°F (-0.70°C)	6th Coolest	Coolest since: 1917	1917
Dec 1928–Sep 1929 10-Month	39.57°F (4.21°C)	40.84°F (4.91°C)	-1.27°F (-0.70°C)	122nd Warmest	Warmest since: 1928	2016
Nov 1928–Sep 1929 11-Month	38.82°F (3.79°C)	39.91°F (4.39°C)	-1.09°F (-0.60°C)	7th Coolest	Coolest since: 1920	1917
Nov 1928–Sep 1929 11-Month	38.82°F (3.79°C)	39.91°F (4.39°C)	-1.09°F (-0.60°C)	121st Warmest	Warmest since: 1928	2016
Oct 1928–Sep 1929 12-Month	39.15°F (3.97°C)	40.04°F (4.47°C)	-0.89°F (-0.50°C)	9th Coolest	Coolest since: 1924	1917
Oct 1928–Sep 1929 12-Month	39.15°F (3.97°C)	40.04°F (4.47°C)	-0.89°F (-0.50°C)	119th Warmest	Warmest since: 1928	2016
Apr 1928–Sep 1929 18-Month	43.12°F (6.18°C)	44.09°F (6.72°C)	-0.97°F (-0.54°C)	6th Coolest	Coolest since: 1918	1917
Apr 1928–Sep 1929 18-Month	43.12°F (6.18°C)	44.09°F (6.72°C)	-0.97°F (-0.54°C)	122nd Warmest	Warmest since: 1928	2016
Oct 1927–Sep 1929 24-Month	39.41°F (4.12°C)	40.04°F (4.47°C)	-0.63°F (-0.35°C)	11th Coolest	Coolest since: 1924	1918
	39.41°F (4.12°C)	40.04°F (4.47°C)	-0.63°F (-0.35°C)	116th Warmest	Warmest since: 1928	2017
	Ties: 1900, 1950
Oct 1926–Sep 1929 36-Month	39.75°F (4.31°C)	40.02°F (4.46°C)	-0.27°F (-0.15°C)	36th Coolest	Coolest since: 1926	1918
	39.75°F (4.31°C)	40.02°F (4.46°C)	-0.27°F (-0.15°C)	90th Warmest	Warmest since: 1928	2017, 2018
	Ties: 1903, 1972
Oct 1925–Sep 1929 48-Month	39.74°F (4.30°C)	40.01°F (4.45°C)	-0.27°F (-0.15°C)	32nd Coolest	Coolest since: 1926	1918
	39.74°F (4.30°C)	40.01°F (4.45°C)	-0.27°F (-0.15°C)	93rd Warmest	Warmest since: 1928	2018
	Ties: 1963, 1978
Oct 1924–Sep 1929 60-Month	39.85°F (4.36°C)	40.00°F (4.44°C)	-0.15°F (-0.08°C)	45th Coolest	Coolest since: 1928	1920
Oct 1924–Sep 1929 60-Month	39.85°F (4.36°C)	40.00°F (4.44°C)	-0.15°F (-0.08°C)	79th Warmest	Warmest since: 1925	2019, 2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published January 2023, retrieved on January 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings