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 1955

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  • Top 1/3
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
October 1955
1-Month
41.32°F
(5.18°C)
41.41°F
(5.23°C)
-0.09°F
(-0.05°C)
57th Coolest
Coolest since:
1917
72nd Warmest
Warmest since:
1947
Sep–Oct 1955
2-Month
46.76°F
(8.20°C)
46.66°F
(8.14°C)
0.10°F
(0.06°C)
63rd Coolest
Coolest since:
1917
66th Warmest
Warmest since:
2015
Aug–Oct 1955
3-Month
51.34°F
(10.74°C)
50.79°F
(10.44°C)
0.55°F
(0.30°C)
82nd Coolest
Coolest since:
1917
47th Warmest
Warmest since:
2016
Jul–Oct 1955
4-Month
53.92°F
(12.18°C)
53.23°F
(11.79°C)
0.69°F
(0.39°C)
93rd Coolest
Coolest since:
1976
36th Warmest
Warmest since:
2021
Jun–Oct 1955
5-Month
53.87°F
(12.15°C)
53.71°F
(12.06°C)
0.16°F
(0.09°C)
66th Coolest
Coolest since:
1917
63rd Warmest
Warmest since:
2021
May–Oct 1955
6-Month
52.94°F
(11.63°C)
52.67°F
(11.48°C)
0.27°F
(0.15°C)
72nd Coolest
Coolest since:
1917
57th Warmest
Warmest since:
2018
Apr–Oct 1955
7-Month
51.11°F
(10.62°C)
50.66°F
(10.37°C)
0.45°F
(0.25°C)
83rd Coolest
Coolest since:
1917
46th Warmest
Warmest since:
2015
Ties: 1987
Mar–Oct 1955
8-Month
48.19°F
(8.99°C)
48.07°F
(8.93°C)
0.12°F
(0.06°C)
60th Coolest
Coolest since:
1917
69th Warmest
Warmest since:
2016
Feb–Oct 1955
9-Month
45.03°F
(7.24°C)
45.27°F
(7.37°C)
-0.24°F
(-0.13°C)
44th Coolest
Coolest since:
1917
85th Warmest
Warmest since:
2016
Jan–Oct 1955
10-Month
42.47°F
(5.82°C)
42.71°F
(5.95°C)
-0.24°F
(-0.13°C)
43rd Coolest
Coolest since:
1917
86th Warmest
Warmest since:
2016
Dec 1954–Oct 1955
11-Month
40.73°F
(4.85°C)
40.89°F
(4.94°C)
-0.16°F
(-0.09°C)
48th Coolest
Coolest since:
1917
80th Warmest
Warmest since:
2016
Ties: 1993
Nov 1954–Oct 1955
12-Month
40.01°F
(4.45°C)
40.05°F
(4.47°C)
-0.04°F
(-0.02°C)
55th Coolest
Coolest since:
1917
73rd Warmest
Warmest since:
2016
May 1954–Oct 1955
18-Month
44.29°F
(6.83°C)
44.25°F
(6.81°C)
0.04°F
(0.02°C)
58th Coolest
Coolest since:
1917
70th Warmest
Warmest since:
2016
Nov 1953–Oct 1955
24-Month
40.45°F
(4.69°C)
40.04°F
(4.47°C)
0.41°F
(0.22°C)
81st Coolest
Coolest since:
1917, 1918
46th Warmest
Warmest since:
2017
Nov 1952–Oct 1955
36-Month
40.53°F
(4.74°C)
40.02°F
(4.46°C)
0.51°F
(0.28°C)
86th Coolest
Coolest since:
1918
40th Warmest
Warmest since:
2017
Nov 1951–Oct 1955
48-Month
40.27°F
(4.59°C)
40.01°F
(4.45°C)
0.26°F
(0.14°C)
78th Coolest
Coolest since:
1918
47th Warmest
Warmest since:
2018
Ties: 1937
Nov 1950–Oct 1955
60-Month
40.07°F
(4.48°C)
40.00°F
(4.44°C)
0.07°F
(0.04°C)
67th Coolest
Coolest since:
1920
57th Warmest
Warmest since:
2019, 2020
Ties: 1961

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