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 1941

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1941
1-Month
52.14°F
(11.19°C)
51.90°F
(11.06°C)
0.24°F
(0.13°C)
62nd Coolest
Coolest since:
1918
67th Warmest
Warmest since:
2019
Aug–Sep 1941
2-Month
55.76°F
(13.20°C)
55.48°F
(13.04°C)
0.28°F
(0.16°C)
67th Coolest
Coolest since:
1974
62nd Warmest
Warmest since:
2019
Jul–Sep 1941
3-Month
57.52°F
(14.18°C)
57.17°F
(13.98°C)
0.35°F
(0.20°C)
73rd Coolest
Coolest since:
1924
56th Warmest
Warmest since:
2022
Jun–Sep 1941
4-Month
57.08°F
(13.93°C)
56.78°F
(13.77°C)
0.30°F
(0.16°C)
68th Coolest
Coolest since:
1903
61st Warmest
Warmest since:
2021
Ties: 1973
May–Sep 1941
5-Month
55.55°F
(13.08°C)
54.91°F
(12.73°C)
0.64°F
(0.35°C)
87th Coolest
Coolest since:
1907, 1924
42nd Warmest
Warmest since:
2018
Apr–Sep 1941
6-Month
53.03°F
(11.68°C)
52.20°F
(11.22°C)
0.83°F
(0.46°C)
98th Coolest
Coolest since:
1907
31st Warmest
Warmest since:
2018
Mar–Sep 1941
7-Month
49.46°F
(9.70°C)
49.02°F
(9.46°C)
0.44°F
(0.24°C)
83rd Coolest
Coolest since:
1917
46th Warmest
Warmest since:
2012
Ties: 1922
Feb–Sep 1941
8-Month
46.21°F
(7.89°C)
45.74°F
(7.63°C)
0.47°F
(0.26°C)
84th Coolest
Coolest since:
1917
45th Warmest
Warmest since:
2012
Jan–Sep 1941
9-Month
43.62°F
(6.46°C)
42.86°F
(6.03°C)
0.76°F
(0.43°C)
90th Coolest
Coolest since:
1917
39th Warmest
Warmest since:
2012
Dec 1940–Sep 1941
10-Month
41.90°F
(5.50°C)
40.84°F
(4.91°C)
1.06°F
(0.59°C)
96th Coolest
Coolest since:
1917
32nd Warmest
Warmest since:
2016
Nov 1940–Sep 1941
11-Month
40.70°F
(4.83°C)
39.92°F
(4.40°C)
0.78°F
(0.43°C)
94th Coolest
Coolest since:
1917
34th Warmest
Warmest since:
2016
Oct 1940–Sep 1941
12-Month
40.88°F
(4.93°C)
40.04°F
(4.47°C)
0.84°F
(0.46°C)
95th Coolest
Coolest since:
1917
33rd Warmest
Warmest since:
2016
Ties: 1954
Apr 1940–Sep 1941
18-Month
44.70°F
(7.06°C)
44.10°F
(6.72°C)
0.60°F
(0.34°C)
91st Coolest
Coolest since:
1917
37th Warmest
Warmest since:
2016
Oct 1939–Sep 1941
24-Month
40.45°F
(4.69°C)
40.04°F
(4.47°C)
0.41°F
(0.22°C)
79th Coolest
Coolest since:
1918
48th Warmest
Warmest since:
2017
Oct 1938–Sep 1941
36-Month
40.41°F
(4.67°C)
40.02°F
(4.46°C)
0.39°F
(0.21°C)
82nd Coolest
Coolest since:
1918
44th Warmest
Warmest since:
2017, 2018
Ties: 1932, 1985
Oct 1937–Sep 1941
48-Month
40.60°F
(4.78°C)
40.01°F
(4.45°C)
0.59°F
(0.33°C)
89th Coolest
Coolest since:
1918
36th Warmest
Warmest since:
2018
Oct 1936–Sep 1941
60-Month
40.38°F
(4.66°C)
40.00°F
(4.44°C)
0.38°F
(0.22°C)
80th Coolest
Coolest since:
1920
44th Warmest
Warmest since:
2019, 2020
Ties: 1985

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