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, September 1953

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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
September 1953
1-Month
50.94°F
(10.52°C)
51.90°F
(11.06°C)
-0.96°F
(-0.54°C)
27th Coolest
Coolest since:
1918
102nd Warmest
Warmest since:
2019
Ties: 1985
Aug–Sep 1953
2-Month
54.78°F
(12.66°C)
55.48°F
(13.04°C)
-0.70°F
(-0.38°C)
27th Coolest
Coolest since:
1974
102nd Warmest
Warmest since:
2019
Jul–Sep 1953
3-Month
56.81°F
(13.78°C)
57.16°F
(13.98°C)
-0.35°F
(-0.20°C)
37th Coolest
Coolest since:
1924
92nd Warmest
Warmest since:
2022
Jun–Sep 1953
4-Month
56.85°F
(13.81°C)
56.78°F
(13.77°C)
0.07°F
(0.04°C)
52nd Coolest
Coolest since:
1903
77th Warmest
Warmest since:
2021
May–Sep 1953
5-Month
54.88°F
(12.71°C)
54.91°F
(12.73°C)
-0.03°F
(-0.02°C)
48th Coolest
Coolest since:
1907, 1924
81st Warmest
Warmest since:
2018
Ties: 1930
Apr–Sep 1953
6-Month
51.86°F
(11.03°C)
52.20°F
(11.22°C)
-0.34°F
(-0.19°C)
32nd Coolest
Coolest since:
1907
97th Warmest
Warmest since:
2018
Ties: 1982
Mar–Sep 1953
7-Month
49.04°F
(9.47°C)
49.02°F
(9.46°C)
0.02°F
(0.01°C)
55th Coolest
Coolest since:
1917
74th Warmest
Warmest since:
2012
Ties: 1901, 2008
Feb–Sep 1953
8-Month
45.98°F
(7.77°C)
45.75°F
(7.64°C)
0.23°F
(0.13°C)
74th Coolest
Coolest since:
1917
55th Warmest
Warmest since:
2012
Ties: 1959
Jan–Sep 1953
9-Month
43.76°F
(6.53°C)
42.86°F
(6.03°C)
0.90°F
(0.50°C)
93rd Coolest
Coolest since:
1917
36th Warmest
Warmest since:
2012
Dec 1952–Sep 1953
10-Month
41.80°F
(5.44°C)
40.84°F
(4.91°C)
0.96°F
(0.53°C)
95th Coolest
Coolest since:
1917
33rd Warmest
Warmest since:
2016
Nov 1952–Sep 1953
11-Month
40.58°F
(4.77°C)
39.92°F
(4.40°C)
0.66°F
(0.37°C)
89th Coolest
Coolest since:
1917
39th Warmest
Warmest since:
2016
Oct 1952–Sep 1953
12-Month
40.30°F
(4.61°C)
40.05°F
(4.47°C)
0.25°F
(0.14°C)
73rd Coolest
Coolest since:
1917
55th Warmest
Warmest since:
2016
Apr 1952–Sep 1953
18-Month
44.36°F
(6.87°C)
44.09°F
(6.72°C)
0.27°F
(0.15°C)
76th Coolest
Coolest since:
1917
52nd Warmest
Warmest since:
2016
Oct 1951–Sep 1953
24-Month
40.09°F
(4.49°C)
40.03°F
(4.46°C)
0.06°F
(0.03°C)
62nd Coolest
Coolest since:
1918
65th Warmest
Warmest since:
2017
Oct 1950–Sep 1953
36-Month
39.88°F
(4.38°C)
40.02°F
(4.46°C)
-0.14°F
(-0.08°C)
47th Coolest
Coolest since:
1918
79th Warmest
Warmest since:
2017, 2018
Ties: 1908
Oct 1949–Sep 1953
48-Month
39.73°F
(4.29°C)
40.01°F
(4.45°C)
-0.28°F
(-0.16°C)
30th Coolest
Coolest since:
1918
95th Warmest
Warmest since:
2018
Ties: 1966
Oct 1948–Sep 1953
60-Month
39.69°F
(4.27°C)
40.00°F
(4.44°C)
-0.31°F
(-0.17°C)
25th Coolest
Coolest since:
1920
99th Warmest
Warmest since:
2019, 2020
Ties: 1900, 1972

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