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 1961

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1961
1-Month
51.15°F
(10.64°C)
51.90°F
(11.06°C)
-0.75°F
(-0.42°C)
34th Coolest
Coolest since:
1918
95th Warmest
Warmest since:
2019
Aug–Sep 1961
2-Month
55.50°F
(13.06°C)
55.48°F
(13.04°C)
0.02°F
(0.02°C)
55th Coolest
Coolest since:
1974
74th Warmest
Warmest since:
2019
Ties: 1981
Jul–Sep 1961
3-Month
57.06°F
(13.92°C)
57.17°F
(13.98°C)
-0.11°F
(-0.06°C)
50th Coolest
Coolest since:
1924
79th Warmest
Warmest since:
2022
Jun–Sep 1961
4-Month
56.78°F
(13.77°C)
56.78°F
(13.77°C)
0.00°F
(0.00°C)
49th Coolest
Coolest since:
1903
80th Warmest
Warmest since:
2021
Ties: 2004
May–Sep 1961
5-Month
54.63°F
(12.57°C)
54.91°F
(12.73°C)
-0.28°F
(-0.16°C)
36th Coolest
Coolest since:
1907, 1924
93rd Warmest
Warmest since:
2018
Apr–Sep 1961
6-Month
51.58°F
(10.88°C)
52.19°F
(11.22°C)
-0.61°F
(-0.34°C)
21st Coolest
Coolest since:
1907
108th Warmest
Warmest since:
2018
Mar–Sep 1961
7-Month
48.86°F
(9.37°C)
49.02°F
(9.46°C)
-0.16°F
(-0.09°C)
43rd Coolest
Coolest since:
1917
86th Warmest
Warmest since:
2012
Ties: 1927, 1952
Feb–Sep 1961
8-Month
46.04°F
(7.80°C)
45.74°F
(7.63°C)
0.30°F
(0.17°C)
77th Coolest
Coolest since:
1917
52nd Warmest
Warmest since:
2012
Ties: 1940
Jan–Sep 1961
9-Month
42.95°F
(6.08°C)
42.86°F
(6.03°C)
0.09°F
(0.05°C)
66th Coolest
Coolest since:
1917
63rd Warmest
Warmest since:
2012
Dec 1960–Sep 1961
10-Month
40.66°F
(4.81°C)
40.84°F
(4.91°C)
-0.18°F
(-0.10°C)
44th Coolest
Coolest since:
1917
84th Warmest
Warmest since:
2016
Ties: 1906
Nov 1960–Sep 1961
11-Month
39.82°F
(4.34°C)
39.92°F
(4.40°C)
-0.10°F
(-0.06°C)
50th Coolest
Coolest since:
1917
78th Warmest
Warmest since:
2016
Ties: 1926
Oct 1960–Sep 1961
12-Month
40.02°F
(4.46°C)
40.04°F
(4.47°C)
-0.02°F
(-0.01°C)
55th Coolest
Coolest since:
1917
73rd Warmest
Warmest since:
2016
Apr 1960–Sep 1961
18-Month
44.14°F
(6.74°C)
44.09°F
(6.72°C)
0.05°F
(0.02°C)
60th Coolest
Coolest since:
1917
68th Warmest
Warmest since:
2016
Ties: 1937
Oct 1959–Sep 1961
24-Month
39.76°F
(4.31°C)
40.04°F
(4.47°C)
-0.28°F
(-0.16°C)
38th Coolest
Coolest since:
1918
89th Warmest
Warmest since:
2017
Oct 1958–Sep 1961
36-Month
39.85°F
(4.36°C)
40.02°F
(4.46°C)
-0.17°F
(-0.10°C)
44th Coolest
Coolest since:
1918
82nd Warmest
Warmest since:
2017, 2018
Oct 1957–Sep 1961
48-Month
40.00°F
(4.44°C)
40.00°F
(4.44°C)
0.00°F
(0.00°C)
55th Coolest
Coolest since:
1918
70th Warmest
Warmest since:
2018
Ties: 1911
Oct 1956–Sep 1961
60-Month
40.10°F
(4.50°C)
40.00°F
(4.44°C)
0.10°F
(0.06°C)
65th Coolest
Coolest since:
1920
59th Warmest
Warmest since:
2019, 2020

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