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.

Maximum Temperature Rankings, September 1947

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1947
1-Month
80.22°F
(26.79°C)
77.81°F
(25.45°C)
2.41°F
(1.34°C)
115th Coolest
Coolest since:
1965
14th Warmest
Warmest since:
1998
Aug–Sep 1947
2-Month
83.73°F
(28.74°C)
81.47°F
(27.48°C)
2.26°F
(1.26°C)
121st Coolest
Coolest since:
1965
8th Warmest
Warmest since:
1998
Jul–Sep 1947
3-Month
84.65°F
(29.25°C)
83.20°F
(28.44°C)
1.45°F
(0.81°C)
105th Coolest
Coolest since:
1912
24th Warmest
Warmest since:
1936
Ties: 1938
Jun–Sep 1947
4-Month
83.20°F
(28.44°C)
82.74°F
(28.19°C)
0.46°F
(0.25°C)
76th Coolest
Coolest since:
1915
53rd Warmest
Warmest since:
1936
May–Sep 1947
5-Month
81.20°F
(27.33°C)
80.78°F
(27.10°C)
0.42°F
(0.23°C)
71st Coolest
Coolest since:
1915
58th Warmest
Warmest since:
1936
Apr–Sep 1947
6-Month
78.17°F
(25.65°C)
77.90°F
(25.50°C)
0.27°F
(0.15°C)
67th Coolest
Coolest since:
1907
62nd Warmest
Warmest since:
2012
Mar–Sep 1947
7-Month
74.16°F
(23.42°C)
74.34°F
(23.52°C)
-0.18°F
(-0.10°C)
49th Coolest
Coolest since:
1912
80th Warmest
Warmest since:
2012
Feb–Sep 1947
8-Month
70.28°F
(21.27°C)
70.65°F
(21.47°C)
-0.37°F
(-0.20°C)
44th Coolest
Coolest since:
1912
85th Warmest
Warmest since:
2012
Jan–Sep 1947
9-Month
67.17°F
(19.54°C)
67.30°F
(19.61°C)
-0.13°F
(-0.07°C)
53rd Coolest
Coolest since:
1912
76th Warmest
Warmest since:
2012
Ties: 1928
Dec 1946–Sep 1947
10-Month
65.13°F
(18.41°C)
64.85°F
(18.25°C)
0.28°F
(0.16°C)
70th Coolest
Coolest since:
1912
58th Warmest
Warmest since:
2012
Nov 1946–Sep 1947
11-Month
63.96°F
(17.76°C)
63.76°F
(17.64°C)
0.20°F
(0.12°C)
66th Coolest
Coolest since:
1912
62nd Warmest
Warmest since:
2012
Oct 1946–Sep 1947
12-Month
64.05°F
(17.81°C)
64.01°F
(17.78°C)
0.04°F
(0.03°C)
57th Coolest
Coolest since:
1912
71st Warmest
Warmest since:
2012
Ties: 2001
Apr 1946–Sep 1947
18-Month
68.79°F
(20.44°C)
68.63°F
(20.35°C)
0.16°F
(0.09°C)
67th Coolest
Coolest since:
1912
61st Warmest
Warmest since:
2012
Ties: 1946
Oct 1945–Sep 1947
24-Month
64.40°F
(18.00°C)
64.00°F
(17.78°C)
0.40°F
(0.22°C)
83rd Coolest
Coolest since:
1913
44th Warmest
Warmest since:
2017
Oct 1944–Sep 1947
36-Month
64.21°F
(17.89°C)
63.98°F
(17.77°C)
0.23°F
(0.12°C)
76th Coolest
Coolest since:
1917
50th Warmest
Warmest since:
2018
Ties: 1943, 1948
Oct 1943–Sep 1947
48-Month
64.15°F
(17.86°C)
63.97°F
(17.76°C)
0.18°F
(0.10°C)
73rd Coolest
Coolest since:
1915
52nd Warmest
Warmest since:
2018
Oct 1942–Sep 1947
60-Month
64.28°F
(17.93°C)
63.96°F
(17.76°C)
0.32°F
(0.17°C)
76th Coolest
Coolest since:
1907
48th Warmest
Warmest since:
2016

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