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, October 1899

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
October 1899
1-Month 		42.04°F
(5.58°C)		 41.41°F
(5.23°C)		 0.63°F
(0.35°C)		 82nd Coolest
Coolest since:
 1917
47th Warmest
Warmest since:
 1947
Sep–Oct 1899
2-Month 		46.33°F
(7.96°C)		 46.66°F
(8.14°C)		 -0.33°F
(-0.18°C)		 44th Coolest
Coolest since:
 1917
85th Warmest
Warmest since:
 2015
Aug–Oct 1899
3-Month 		50.45°F
(10.25°C)		 50.79°F
(10.44°C)		 -0.34°F
(-0.19°C)		 39th Coolest
Coolest since:
 1917
90th Warmest
Warmest since:
 2016
Ties: 1989
Jul–Oct 1899
4-Month 		52.81°F
(11.56°C)		 53.23°F
(11.79°C)		 -0.42°F
(-0.23°C)		 33rd Coolest
Coolest since:
 1976
96th Warmest
Warmest since:
 2021
Jun–Oct 1899
5-Month 		53.39°F
(11.88°C)		 53.71°F
(12.06°C)		 -0.32°F
(-0.18°C)		 35th Coolest
Coolest since:
 1917
94th Warmest
Warmest since:
 2021
May–Oct 1899
6-Month 		52.42°F
(11.34°C)		 52.66°F
(11.48°C)		 -0.24°F
(-0.14°C)		 41st Coolest
Coolest since:
 1917
88th Warmest
Warmest since:
 2018
Apr–Oct 1899
7-Month 		50.39°F
(10.22°C)		 50.65°F
(10.36°C)		 -0.26°F
(-0.14°C)		 34th Coolest
Coolest since:
 1917
95th Warmest
Warmest since:
 2015
Ties: 1935
Mar–Oct 1899
8-Month 		47.39°F
(8.55°C)		 48.07°F
(8.93°C)		 -0.68°F
(-0.38°C)		 18th Coolest
Coolest since:
 1917
111th Warmest
Warmest since:
 2016
Feb–Oct 1899
9-Month 		43.75°F
(6.53°C)		 45.27°F
(7.37°C)		 -1.52°F
(-0.84°C)		 3rd Coolest
Coolest since:
 1917
126th Warmest
Warmest since:
 2016
Jan–Oct 1899
10-Month 		41.33°F
(5.18°C)		 42.71°F
(5.95°C)		 -1.38°F
(-0.77°C)		 5th Coolest
Coolest since:
 1917
124th Warmest
Warmest since:
 2016
Dec 1898–Oct 1899
11-Month 		39.24°F
(4.02°C)		 40.89°F
(4.94°C)		 -1.65°F
(-0.92°C)		 2nd Coolest
Coolest to Date
 1917
126th Warmest
Warmest since:
 2016
Nov 1898–Oct 1899
12-Month 		38.25°F
(3.47°C)		 40.04°F
(4.47°C)		 -1.79°F
(-1.00°C)		 3rd Coolest
Coolest to Date
 1917
125th Warmest
Warmest since:
 2016
May 1898–Oct 1899
18-Month 		43.08°F
(6.16°C)		 44.25°F
(6.81°C)		 -1.17°F
(-0.65°C)		 5th Coolest
Coolest to Date
 1917
123rd Warmest
Warmest since:
 2016
Nov 1897–Oct 1899
24-Month 		39.09°F
(3.94°C)		 40.04°F
(4.47°C)		 -0.95°F
(-0.53°C)		 6th Coolest
Coolest to Date
 1917, 1918
121st Warmest
Warmest since:
 2017
Nov 1896–Oct 1899
36-Month 		39.38°F
(4.10°C)		 40.02°F
(4.46°C)		 -0.64°F
(-0.36°C)		 9th Coolest
Coolest to Date
 1918
117th Warmest
Warmest since:
 2017
Ties: 1979
Nov 1895–Oct 1899
48-Month 		39.52°F
(4.18°C)		 40.01°F
(4.45°C)		 -0.49°F
(-0.27°C)		 14th Coolest
Coolest to Date
 1918
111th Warmest
Warmest to Date
 2018

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