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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  • Record Warmest
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
46.32°F
(7.96°C)
46.65°F
(8.14°C)
-0.33°F
(-0.18°C)
43rd Coolest
Coolest since:
1917
86th Warmest
Warmest since:
2015
Ties: 1930
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
52.80°F
(11.56°C)
53.22°F
(11.79°C)
-0.42°F
(-0.23°C)
32nd Coolest
Coolest since:
1976
97th Warmest
Warmest since:
2021
Ties: 1925
Jun–Oct 1899
5-Month
53.39°F
(11.88°C)
53.70°F
(12.06°C)
-0.31°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)
45.26°F
(7.37°C)
-1.51°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)
42.72°F
(5.96°C)
-1.39°F
(-0.78°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 since:
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 since:
1917
125th Warmest
Warmest since:
2016
May 1898–Oct 1899
18-Month
43.08°F
(6.16°C)
44.24°F
(6.80°C)
-1.16°F
(-0.64°C)
5th Coolest
Coolest since:
1917
123rd Warmest
Warmest since:
2016
Nov 1897–Oct 1899
24-Month
39.09°F
(3.94°C)
40.03°F
(4.46°C)
-0.94°F
(-0.52°C)
6th Coolest
Coolest since:
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 since:
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 since:
1918
111th Warmest
Warmest to Date
2018

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