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 1937

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1937
1-Month
52.30°F
(11.28°C)
51.90°F
(11.06°C)
0.40°F
(0.22°C)
69th Coolest
Coolest since:
1918
60th Warmest
Warmest since:
2019
Ties: 1915
Aug–Sep 1937
2-Month
56.68°F
(13.71°C)
55.47°F
(13.04°C)
1.21°F
(0.67°C)
102nd Coolest
Coolest since:
1974
27th Warmest
Warmest since:
2019
Jul–Sep 1937
3-Month
58.22°F
(14.57°C)
57.16°F
(13.98°C)
1.06°F
(0.59°C)
102nd Coolest
Coolest since:
1924
27th Warmest
Warmest since:
2022
Jun–Sep 1937
4-Month
57.71°F
(14.28°C)
56.78°F
(13.77°C)
0.93°F
(0.51°C)
102nd Coolest
Coolest since:
1903
27th Warmest
Warmest since:
2021
May–Sep 1937
5-Month
55.86°F
(13.26°C)
54.91°F
(12.73°C)
0.95°F
(0.53°C)
100th Coolest
Coolest since:
1907, 1924
29th Warmest
Warmest since:
2018
Apr–Sep 1937
6-Month
52.88°F
(11.60°C)
52.19°F
(11.22°C)
0.69°F
(0.38°C)
92nd Coolest
Coolest since:
1907
37th Warmest
Warmest since:
2018
Ties: 1938
Mar–Sep 1937
7-Month
49.32°F
(9.62°C)
49.02°F
(9.46°C)
0.30°F
(0.16°C)
74th Coolest
Coolest since:
1917
55th Warmest
Warmest since:
2012
Ties: 1931
Feb–Sep 1937
8-Month
45.78°F
(7.66°C)
45.75°F
(7.64°C)
0.03°F
(0.02°C)
61st Coolest
Coolest since:
1917
68th Warmest
Warmest since:
2012
Ties: 1932
Jan–Sep 1937
9-Month
42.33°F
(5.74°C)
42.86°F
(6.03°C)
-0.53°F
(-0.29°C)
31st Coolest
Coolest since:
1917
98th Warmest
Warmest since:
2012
Dec 1936–Sep 1937
10-Month
40.55°F
(4.75°C)
40.84°F
(4.91°C)
-0.29°F
(-0.16°C)
36th Coolest
Coolest since:
1917
92nd Warmest
Warmest since:
2016
Ties: 1963, 1967, 1970
Nov 1936–Sep 1937
11-Month
39.38°F
(4.10°C)
39.92°F
(4.40°C)
-0.54°F
(-0.30°C)
25th Coolest
Coolest since:
1917
103rd Warmest
Warmest since:
2016
Oct 1936–Sep 1937
12-Month
39.50°F
(4.17°C)
40.04°F
(4.47°C)
-0.54°F
(-0.30°C)
20th Coolest
Coolest since:
1917
108th Warmest
Warmest since:
2016
Ties: 1915, 1916, 1960
Apr 1936–Sep 1937
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: 1961
Oct 1935–Sep 1937
24-Month
39.52°F
(4.18°C)
40.03°F
(4.46°C)
-0.51°F
(-0.28°C)
19th Coolest
Coolest since:
1918
108th Warmest
Warmest since:
2017
Oct 1934–Sep 1937
36-Month
39.97°F
(4.43°C)
40.02°F
(4.46°C)
-0.05°F
(-0.03°C)
56th Coolest
Coolest since:
1918
70th Warmest
Warmest since:
2017, 2018
Oct 1933–Sep 1937
48-Month
40.28°F
(4.60°C)
40.01°F
(4.45°C)
0.27°F
(0.15°C)
78th Coolest
Coolest since:
1918
47th Warmest
Warmest since:
2018
Ties: 1943
Oct 1932–Sep 1937
60-Month
40.18°F
(4.54°C)
40.00°F
(4.44°C)
0.18°F
(0.10°C)
73rd Coolest
Coolest since:
1920
51st Warmest
Warmest since:
2019, 2020
Ties: 1983

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