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 1947

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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
October 1947
1-Month
46.18°F
(7.88°C)
41.41°F
(5.23°C)
4.77°F
(2.65°C)
128th Coolest
Coolest since:
1917
1st Warmest
Warmest to Date
1947
Sep–Oct 1947
2-Month
49.52°F
(9.73°C)
46.66°F
(8.14°C)
2.86°F
(1.59°C)
124th Coolest
Coolest since:
1917
5th Warmest
Warmest to Date
2015
Aug–Oct 1947
3-Month
53.32°F
(11.84°C)
50.79°F
(10.44°C)
2.53°F
(1.40°C)
124th Coolest
Coolest since:
1917
5th Warmest
Warmest to Date
2016
Jul–Oct 1947
4-Month
54.76°F
(12.64°C)
53.22°F
(11.79°C)
1.54°F
(0.85°C)
113th Coolest
Coolest since:
1976
16th Warmest
Warmest since:
2021
Ties: 2020
Jun–Oct 1947
5-Month
54.73°F
(12.63°C)
53.71°F
(12.06°C)
1.02°F
(0.57°C)
105th Coolest
Coolest since:
1917
24th Warmest
Warmest since:
2021
May–Oct 1947
6-Month
53.44°F
(11.91°C)
52.66°F
(11.48°C)
0.78°F
(0.43°C)
93rd Coolest
Coolest since:
1917
36th Warmest
Warmest since:
2018
Ties: 1938
Apr–Oct 1947
7-Month
51.36°F
(10.76°C)
50.65°F
(10.36°C)
0.71°F
(0.40°C)
94th Coolest
Coolest since:
1917
35th Warmest
Warmest since:
2015
Ties: 1990
Mar–Oct 1947
8-Month
48.37°F
(9.09°C)
48.07°F
(8.93°C)
0.30°F
(0.16°C)
74th Coolest
Coolest since:
1917
55th Warmest
Warmest since:
2016
Ties: 1940
Feb–Oct 1947
9-Month
45.18°F
(7.32°C)
45.26°F
(7.37°C)
-0.08°F
(-0.05°C)
51st Coolest
Coolest since:
1917
78th Warmest
Warmest since:
2016
Jan–Oct 1947
10-Month
42.79°F
(5.99°C)
42.72°F
(5.96°C)
0.07°F
(0.03°C)
64th Coolest
Coolest since:
1917
65th Warmest
Warmest since:
2016
Dec 1946–Oct 1947
11-Month
41.22°F
(5.12°C)
40.89°F
(4.94°C)
0.33°F
(0.18°C)
76th Coolest
Coolest since:
1917
52nd Warmest
Warmest since:
2016
Nov 1946–Oct 1947
12-Month
40.39°F
(4.66°C)
40.04°F
(4.47°C)
0.35°F
(0.19°C)
81st Coolest
Coolest since:
1917
47th Warmest
Warmest since:
2016
May 1946–Oct 1947
18-Month
44.31°F
(6.84°C)
44.25°F
(6.81°C)
0.06°F
(0.03°C)
59th Coolest
Coolest since:
1917
69th Warmest
Warmest since:
2016
Ties: 1984
Nov 1945–Oct 1947
24-Month
40.28°F
(4.60°C)
40.03°F
(4.46°C)
0.25°F
(0.14°C)
74th Coolest
Coolest since:
1917, 1918
53rd Warmest
Warmest since:
2017
Ties: 1931, 1959
Nov 1944–Oct 1947
36-Month
40.20°F
(4.56°C)
40.03°F
(4.46°C)
0.17°F
(0.10°C)
69th Coolest
Coolest since:
1918
57th Warmest
Warmest since:
2017
Ties: 1974
Nov 1943–Oct 1947
48-Month
40.07°F
(4.48°C)
40.01°F
(4.45°C)
0.06°F
(0.03°C)
65th Coolest
Coolest since:
1918
60th Warmest
Warmest since:
2018
Nov 1942–Oct 1947
60-Month
40.02°F
(4.46°C)
40.00°F
(4.44°C)
0.02°F
(0.02°C)
61st Coolest
Coolest since:
1920
63rd Warmest
Warmest since:
2019, 2020

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