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 1945

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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 1945
1-Month
41.14°F
(5.08°C)
41.41°F
(5.23°C)
-0.27°F
(-0.15°C)
44th Coolest
Coolest since:
1917
85th Warmest
Warmest since:
1947
Ties: 1972, 1982
Sep–Oct 1945
2-Month
46.58°F
(8.10°C)
46.65°F
(8.14°C)
-0.07°F
(-0.04°C)
53rd Coolest
Coolest since:
1917
76th Warmest
Warmest since:
2015
Aug–Oct 1945
3-Month
50.74°F
(10.41°C)
50.79°F
(10.44°C)
-0.05°F
(-0.03°C)
55th Coolest
Coolest since:
1917
74th Warmest
Warmest since:
2016
Ties: 1970
Jul–Oct 1945
4-Month
53.00°F
(11.67°C)
53.23°F
(11.79°C)
-0.23°F
(-0.12°C)
46th Coolest
Coolest since:
1976
83rd Warmest
Warmest since:
2021
Jun–Oct 1945
5-Month
53.09°F
(11.72°C)
53.70°F
(12.06°C)
-0.61°F
(-0.34°C)
18th Coolest
Coolest since:
1917
111th Warmest
Warmest since:
2021
May–Oct 1945
6-Month
51.81°F
(11.01°C)
52.66°F
(11.48°C)
-0.85°F
(-0.47°C)
12th Coolest
Coolest since:
1917
117th Warmest
Warmest since:
2018
Apr–Oct 1945
7-Month
49.82°F
(9.90°C)
50.66°F
(10.37°C)
-0.84°F
(-0.47°C)
10th Coolest
Coolest since:
1917
119th Warmest
Warmest since:
2015
Ties: 1909
Mar–Oct 1945
8-Month
47.79°F
(8.77°C)
48.08°F
(8.93°C)
-0.29°F
(-0.16°C)
39th Coolest
Coolest since:
1917
90th Warmest
Warmest since:
2016
Feb–Oct 1945
9-Month
45.23°F
(7.35°C)
45.27°F
(7.37°C)
-0.04°F
(-0.02°C)
55th Coolest
Coolest since:
1917
74th Warmest
Warmest since:
2016
Jan–Oct 1945
10-Month
42.76°F
(5.98°C)
42.72°F
(5.96°C)
0.04°F
(0.02°C)
62nd Coolest
Coolest since:
1917
67th Warmest
Warmest since:
2016
Ties: 2008
Dec 1944–Oct 1945
11-Month
40.74°F
(4.86°C)
40.89°F
(4.94°C)
-0.15°F
(-0.08°C)
50th Coolest
Coolest since:
1917
78th Warmest
Warmest since:
2016
Nov 1944–Oct 1945
12-Month
40.02°F
(4.46°C)
40.04°F
(4.47°C)
-0.02°F
(-0.01°C)
56th Coolest
Coolest since:
1917
72nd Warmest
Warmest since:
2016
Ties: 1908
May 1944–Oct 1945
18-Month
44.23°F
(6.79°C)
44.25°F
(6.81°C)
-0.02°F
(-0.02°C)
55th Coolest
Coolest since:
1917
73rd Warmest
Warmest since:
2016
Nov 1943–Oct 1945
24-Month
39.86°F
(4.37°C)
40.03°F
(4.46°C)
-0.17°F
(-0.09°C)
47th Coolest
Coolest since:
1917, 1918
80th Warmest
Warmest since:
2017
Nov 1942–Oct 1945
36-Month
39.85°F
(4.36°C)
40.02°F
(4.46°C)
-0.17°F
(-0.10°C)
43rd Coolest
Coolest since:
1918
83rd Warmest
Warmest since:
2017
Nov 1941–Oct 1945
48-Month
39.91°F
(4.39°C)
40.01°F
(4.45°C)
-0.10°F
(-0.06°C)
47th Coolest
Coolest since:
1918
78th Warmest
Warmest since:
2018
Ties: 1973
Nov 1940–Oct 1945
60-Month
40.13°F
(4.52°C)
40.00°F
(4.44°C)
0.13°F
(0.08°C)
70th Coolest
Coolest since:
1920
54th Warmest
Warmest since:
2019, 2020

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