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 1959

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1959
1-Month
52.41°F
(11.34°C)
51.90°F
(11.06°C)
0.51°F
(0.28°C)
73rd Coolest
Coolest since:
1918
56th Warmest
Warmest since:
2019
Ties: 1994
Aug–Sep 1959
2-Month
56.37°F
(13.54°C)
55.48°F
(13.04°C)
0.89°F
(0.50°C)
92nd Coolest
Coolest since:
1974
37th Warmest
Warmest since:
2019
Jul–Sep 1959
3-Month
57.61°F
(14.23°C)
57.16°F
(13.98°C)
0.45°F
(0.25°C)
77th Coolest
Coolest since:
1924
52nd Warmest
Warmest since:
2022
Jun–Sep 1959
4-Month
57.44°F
(14.13°C)
56.78°F
(13.77°C)
0.66°F
(0.36°C)
89th Coolest
Coolest since:
1903
40th Warmest
Warmest since:
2021
May–Sep 1959
5-Month
55.66°F
(13.14°C)
54.91°F
(12.73°C)
0.75°F
(0.41°C)
93rd Coolest
Coolest since:
1907, 1924
36th Warmest
Warmest since:
2018
Ties: 1980
Apr–Sep 1959
6-Month
52.83°F
(11.57°C)
52.19°F
(11.22°C)
0.64°F
(0.35°C)
89th Coolest
Coolest since:
1907
40th Warmest
Warmest since:
2018
Ties: 2009
Mar–Sep 1959
7-Month
49.44°F
(9.69°C)
49.02°F
(9.46°C)
0.42°F
(0.23°C)
81st Coolest
Coolest since:
1917
48th Warmest
Warmest since:
2012
Feb–Sep 1959
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: 1953
Jan–Sep 1959
9-Month
42.93°F
(6.07°C)
42.86°F
(6.03°C)
0.07°F
(0.04°C)
63rd Coolest
Coolest since:
1917
66th Warmest
Warmest since:
2012
Ties: 2008
Dec 1958–Sep 1959
10-Month
40.75°F
(4.86°C)
40.84°F
(4.91°C)
-0.09°F
(-0.05°C)
49th Coolest
Coolest since:
1917
79th Warmest
Warmest since:
2016
Ties: 1993
Nov 1958–Sep 1959
11-Month
39.90°F
(4.39°C)
39.92°F
(4.40°C)
-0.02°F
(-0.01°C)
58th Coolest
Coolest since:
1917
70th Warmest
Warmest since:
2016
Oct 1958–Sep 1959
12-Month
40.04°F
(4.47°C)
40.04°F
(4.47°C)
0.00°F
(0.00°C)
57th Coolest
Coolest since:
1917
71st Warmest
Warmest since:
2016
Apr 1958–Sep 1959
18-Month
44.23°F
(6.79°C)
44.09°F
(6.72°C)
0.14°F
(0.07°C)
66th Coolest
Coolest since:
1917
62nd Warmest
Warmest since:
2016
Oct 1957–Sep 1959
24-Month
40.25°F
(4.58°C)
40.04°F
(4.47°C)
0.21°F
(0.11°C)
73rd Coolest
Coolest since:
1918
54th Warmest
Warmest since:
2017
Oct 1956–Sep 1959
36-Month
40.33°F
(4.63°C)
40.02°F
(4.46°C)
0.31°F
(0.17°C)
71st Coolest
Coolest since:
1918
55th Warmest
Warmest since:
2017, 2018
Oct 1955–Sep 1959
48-Month
40.04°F
(4.47°C)
40.00°F
(4.44°C)
0.04°F
(0.03°C)
59th Coolest
Coolest since:
1918
66th Warmest
Warmest since:
2018
Oct 1954–Sep 1959
60-Month
40.05°F
(4.47°C)
40.00°F
(4.44°C)
0.05°F
(0.03°C)
63rd Coolest
Coolest since:
1920
61st Warmest
Warmest since:
2019, 2020

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