National Rankings

National Data Info
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 1935

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  • Record Warmest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
September 1935
1-Month 		51.33°F
(10.74°C)		 51.90°F
(11.06°C)		 -0.57°F
(-0.32°C)		 39th Coolest
Coolest since:
 1918
90th Warmest
Warmest since:
 2019
Aug–Sep 1935
2-Month 		55.57°F
(13.09°C)		 55.48°F
(13.04°C)		 0.09°F
(0.05°C)		 61st Coolest
Coolest since:
 1974
68th Warmest
Warmest since:
 2019
Jul–Sep 1935
3-Month 		57.69°F
(14.27°C)		 57.17°F
(13.98°C)		 0.52°F
(0.29°C)		 86th Coolest
Coolest since:
 1924
43rd Warmest
Warmest since:
 2022
Jun–Sep 1935
4-Month 		56.97°F
(13.87°C)		 56.78°F
(13.77°C)		 0.19°F
(0.10°C)		 63rd Coolest
Coolest since:
 1903
66th Warmest
Warmest since:
 2021
May–Sep 1935
5-Month 		54.72°F
(12.62°C)		 54.91°F
(12.73°C)		 -0.19°F
(-0.11°C)		 40th Coolest
Coolest since:
 1907, 1924
89th Warmest
Warmest since:
 2018
Ties: 1993
Apr–Sep 1935
6-Month 		52.00°F
(11.11°C)		 52.20°F
(11.22°C)		 -0.20°F
(-0.11°C)		 43rd Coolest
Coolest since:
 1907
86th Warmest
Warmest since:
 2018
Ties: 1973
Mar–Sep 1935
7-Month 		49.17°F
(9.54°C)		 49.02°F
(9.46°C)		 0.15°F
(0.08°C)		 64th Coolest
Coolest since:
 1917
65th Warmest
Warmest since:
 2012
Feb–Sep 1935
8-Month 		46.15°F
(7.86°C)		 45.74°F
(7.63°C)		 0.41°F
(0.23°C)		 81st Coolest
Coolest since:
 1917
48th Warmest
Warmest since:
 2012
Ties: 2014
Jan–Sep 1935
9-Month 		43.34°F
(6.30°C)		 42.86°F
(6.03°C)		 0.48°F
(0.27°C)		 84th Coolest
Coolest since:
 1917
45th Warmest
Warmest since:
 2012
Dec 1934–Sep 1935
10-Month 		41.30°F
(5.17°C)		 40.84°F
(4.91°C)		 0.46°F
(0.26°C)		 79th Coolest
Coolest since:
 1917
49th Warmest
Warmest since:
 2016
Nov 1934–Sep 1935
11-Month 		40.64°F
(4.80°C)		 39.91°F
(4.39°C)		 0.73°F
(0.41°C)		 92nd Coolest
Coolest since:
 1917
36th Warmest
Warmest since:
 2016
Oct 1934–Sep 1935
12-Month 		40.87°F
(4.93°C)		 40.05°F
(4.47°C)		 0.82°F
(0.46°C)		 93rd Coolest
Coolest since:
 1917
35th Warmest
Warmest since:
 2016
Ties: 1932
Apr 1934–Sep 1935
18-Month 		45.04°F
(7.24°C)		 44.09°F
(6.72°C)		 0.95°F
(0.52°C)		 101st Coolest
Coolest since:
 1917
27th Warmest
Warmest since:
 2016
Ties: 2010
Oct 1933–Sep 1935
24-Month 		41.04°F
(5.02°C)		 40.04°F
(4.47°C)		 1.00°F
(0.55°C)		 102nd Coolest
Coolest since:
 1918
25th Warmest
Warmest to Date
 2017
Oct 1932–Sep 1935
36-Month 		40.62°F
(4.79°C)		 40.02°F
(4.46°C)		 0.60°F
(0.33°C)		 93rd Coolest
Coolest since:
 1918
33rd Warmest
Warmest since:
 2017, 2018
Ties: 1934
Oct 1931–Sep 1935
48-Month 		40.68°F
(4.82°C)		 40.01°F
(4.45°C)		 0.67°F
(0.37°C)		 93rd Coolest
Coolest since:
 1918
32nd Warmest
Warmest to Date
 2018
Oct 1930–Sep 1935
60-Month 		40.65°F
(4.81°C)		 40.00°F
(4.44°C)		 0.65°F
(0.37°C)		 91st Coolest
Coolest since:
 1920
33rd Warmest
Warmest to Date
 2019, 2020

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