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 1931

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
October 1931
1-Month
43.84°F
(6.58°C)
41.41°F
(5.23°C)
2.43°F
(1.35°C)
116th Coolest
Coolest since:
1917
13th Warmest
Warmest since:
1947
Sep–Oct 1931
2-Month
49.43°F
(9.68°C)
46.66°F
(8.14°C)
2.77°F
(1.54°C)
123rd Coolest
Coolest since:
1917
6th Warmest
Warmest to Date
2015
Aug–Oct 1931
3-Month
52.53°F
(11.41°C)
50.79°F
(10.44°C)
1.74°F
(0.97°C)
115th Coolest
Coolest since:
1917
14th Warmest
Warmest since:
2016
Jul–Oct 1931
4-Month
54.92°F
(12.73°C)
53.23°F
(11.79°C)
1.69°F
(0.94°C)
118th Coolest
Coolest since:
1976
11th Warmest
Warmest to Date
2021
Jun–Oct 1931
5-Month
55.37°F
(12.98°C)
53.71°F
(12.06°C)
1.66°F
(0.92°C)
118th Coolest
Coolest since:
1917
11th Warmest
Warmest to Date
2021
May–Oct 1931
6-Month
53.80°F
(12.11°C)
52.67°F
(11.48°C)
1.13°F
(0.63°C)
107th Coolest
Coolest since:
1917
22nd Warmest
Warmest since:
2018
Apr–Oct 1931
7-Month
51.54°F
(10.86°C)
50.66°F
(10.37°C)
0.88°F
(0.49°C)
98th Coolest
Coolest since:
1917
31st Warmest
Warmest since:
2015
Mar–Oct 1931
8-Month
48.64°F
(9.24°C)
48.07°F
(8.93°C)
0.57°F
(0.31°C)
89th Coolest
Coolest since:
1917
40th Warmest
Warmest since:
2016
Feb–Oct 1931
9-Month
46.27°F
(7.93°C)
45.26°F
(7.37°C)
1.01°F
(0.56°C)
104th Coolest
Coolest since:
1917
25th Warmest
Warmest since:
2016
Jan–Oct 1931
10-Month
43.88°F
(6.60°C)
42.71°F
(5.95°C)
1.17°F
(0.65°C)
104th Coolest
Coolest since:
1917
25th Warmest
Warmest since:
2016
Dec 1930–Oct 1931
11-Month
41.83°F
(5.46°C)
40.89°F
(4.94°C)
0.94°F
(0.52°C)
95th Coolest
Coolest since:
1917
33rd Warmest
Warmest since:
2016
Nov 1930–Oct 1931
12-Month
40.83°F
(4.91°C)
40.04°F
(4.47°C)
0.79°F
(0.44°C)
92nd Coolest
Coolest since:
1917
36th Warmest
Warmest since:
2016
May 1930–Oct 1931
18-Month
44.69°F
(7.05°C)
44.25°F
(6.81°C)
0.44°F
(0.24°C)
85th Coolest
Coolest since:
1917
43rd Warmest
Warmest since:
2016
Nov 1929–Oct 1931
24-Month
40.28°F
(4.60°C)
40.04°F
(4.47°C)
0.24°F
(0.13°C)
74th Coolest
Coolest since:
1917, 1918
53rd Warmest
Warmest since:
2017
Ties: 1947, 1959
Nov 1928–Oct 1931
36-Month
39.86°F
(4.37°C)
40.02°F
(4.46°C)
-0.16°F
(-0.09°C)
44th Coolest
Coolest since:
1918
82nd Warmest
Warmest since:
2017
Nov 1927–Oct 1931
48-Month
39.83°F
(4.35°C)
40.01°F
(4.45°C)
-0.18°F
(-0.10°C)
40th Coolest
Coolest since:
1918
85th Warmest
Warmest since:
2018
Ties: 1901
Nov 1926–Oct 1931
60-Month
39.94°F
(4.41°C)
40.00°F
(4.44°C)
-0.06°F
(-0.03°C)
51st Coolest
Coolest since:
1920
73rd Warmest
Warmest since:
2019, 2020
Ties: 1977

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