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, August 1940

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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
August 1940
1-Month
59.02°F
(15.01°C)
59.06°F
(15.03°C)
-0.04°F
(-0.02°C)
55th Coolest
Coolest since:
1950
74th Warmest
Warmest since:
2022
Ties: 1921, 1954, 1963
Jul–Aug 1940
2-Month
59.86°F
(15.48°C)
59.80°F
(15.44°C)
0.06°F
(0.04°C)
54th Coolest
Coolest since:
1950
75th Warmest
Warmest since:
2022
Jun–Aug 1940
3-Month
58.64°F
(14.80°C)
58.41°F
(14.67°C)
0.23°F
(0.13°C)
61st Coolest
Coolest since:
1915
68th Warmest
Warmest since:
2021
Ties: 1918
May–Aug 1940
4-Month
55.76°F
(13.20°C)
55.66°F
(13.14°C)
0.10°F
(0.06°C)
58th Coolest
Coolest since:
1907
71st Warmest
Warmest since:
2018
Ties: 1983
Apr–Aug 1940
5-Month
52.27°F
(11.26°C)
52.26°F
(11.26°C)
0.01°F
(0.00°C)
56th Coolest
Coolest since:
1907
73rd Warmest
Warmest since:
2012
Mar–Aug 1940
6-Month
48.58°F
(9.21°C)
48.55°F
(9.19°C)
0.03°F
(0.02°C)
56th Coolest
Coolest since:
1917
73rd Warmest
Warmest since:
2012
Ties: 1930
Feb–Aug 1940
7-Month
45.10°F
(7.28°C)
44.86°F
(7.14°C)
0.24°F
(0.14°C)
73rd Coolest
Coolest since:
1917
56th Warmest
Warmest since:
2012
Jan–Aug 1940
8-Month
41.23°F
(5.13°C)
41.73°F
(5.41°C)
-0.50°F
(-0.28°C)
33rd Coolest
Coolest since:
1917
96th Warmest
Warmest since:
2012
Ties: 1936, 1970
Dec 1939–Aug 1940
9-Month
39.60°F
(4.22°C)
39.61°F
(4.23°C)
-0.01°F
(-0.01°C)
56th Coolest
Coolest since:
1917
72nd Warmest
Warmest since:
2012
Nov 1939–Aug 1940
10-Month
38.61°F
(3.67°C)
38.72°F
(3.73°C)
-0.11°F
(-0.06°C)
49th Coolest
Coolest since:
1917
79th Warmest
Warmest since:
2016
Ties: 1926
Oct 1939–Aug 1940
11-Month
38.87°F
(3.82°C)
38.97°F
(3.87°C)
-0.10°F
(-0.05°C)
52nd Coolest
Coolest since:
1917
76th Warmest
Warmest since:
2016
Sep 1939–Aug 1940
12-Month
40.09°F
(4.49°C)
40.05°F
(4.47°C)
0.04°F
(0.02°C)
59th Coolest
Coolest since:
1917
69th Warmest
Warmest since:
2016
Ties: 1985
Mar 1939–Aug 1940
18-Month
43.05°F
(6.14°C)
42.87°F
(6.04°C)
0.18°F
(0.10°C)
73rd Coolest
Coolest since:
1917
55th Warmest
Warmest since:
2016
Sep 1938–Aug 1940
24-Month
40.21°F
(4.56°C)
40.04°F
(4.47°C)
0.17°F
(0.09°C)
72nd Coolest
Coolest since:
1918
55th Warmest
Warmest since:
2017
Sep 1937–Aug 1940
36-Month
40.50°F
(4.72°C)
40.02°F
(4.46°C)
0.48°F
(0.26°C)
87th Coolest
Coolest since:
1918
39th Warmest
Warmest since:
2017
Sep 1936–Aug 1940
48-Month
40.27°F
(4.59°C)
40.00°F
(4.44°C)
0.27°F
(0.15°C)
78th Coolest
Coolest since:
1918
47th Warmest
Warmest since:
2018
Ties: 1985
Sep 1935–Aug 1940
60-Month
40.09°F
(4.49°C)
40.00°F
(4.44°C)
0.09°F
(0.05°C)
67th Coolest
Coolest since:
1920
57th Warmest
Warmest since:
2020
Ties: 1925, 1961

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