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 1964

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1964
1-Month
76.59°F
(24.77°C)
77.81°F
(25.45°C)
-1.22°F
(-0.68°C)
25th Coolest
Coolest since:
1965
104th Warmest
Warmest since:
1998
Aug–Sep 1964
2-Month
80.10°F
(26.72°C)
81.47°F
(27.48°C)
-1.37°F
(-0.76°C)
13th Coolest
Coolest since:
1965
116th Warmest
Warmest since:
1998
Jul–Sep 1964
3-Month
82.71°F
(28.17°C)
83.21°F
(28.45°C)
-0.50°F
(-0.28°C)
36th Coolest
Coolest since:
1912
93rd Warmest
Warmest since:
1936
Jun–Sep 1964
4-Month
82.20°F
(27.89°C)
82.74°F
(28.19°C)
-0.54°F
(-0.30°C)
34th Coolest
Coolest since:
1915
95th Warmest
Warmest since:
1936
May–Sep 1964
5-Month
80.65°F
(27.03°C)
80.79°F
(27.11°C)
-0.14°F
(-0.08°C)
50th Coolest
Coolest since:
1915
79th Warmest
Warmest since:
1936
Apr–Sep 1964
6-Month
77.78°F
(25.43°C)
77.91°F
(25.51°C)
-0.13°F
(-0.08°C)
47th Coolest
Coolest since:
1907
82nd Warmest
Warmest since:
2012
Mar–Sep 1964
7-Month
73.93°F
(23.29°C)
74.35°F
(23.53°C)
-0.42°F
(-0.24°C)
36th Coolest
Coolest since:
1912
93rd Warmest
Warmest since:
2012
Feb–Sep 1964
8-Month
70.11°F
(21.17°C)
70.65°F
(21.47°C)
-0.54°F
(-0.30°C)
34th Coolest
Coolest since:
1912
95th Warmest
Warmest since:
2012
Jan–Sep 1964
9-Month
67.09°F
(19.49°C)
67.31°F
(19.62°C)
-0.22°F
(-0.13°C)
46th Coolest
Coolest since:
1912
83rd Warmest
Warmest since:
2012
Ties: 1901, 1927
Dec 1963–Sep 1964
10-Month
64.21°F
(17.89°C)
64.85°F
(18.25°C)
-0.64°F
(-0.36°C)
26th Coolest
Coolest since:
1912
102nd Warmest
Warmest since:
2012
Nov 1963–Sep 1964
11-Month
63.40°F
(17.44°C)
63.75°F
(17.64°C)
-0.35°F
(-0.20°C)
34th Coolest
Coolest since:
1912
94th Warmest
Warmest since:
2012
Oct 1963–Sep 1964
12-Month
64.24°F
(17.91°C)
64.01°F
(17.78°C)
0.23°F
(0.13°C)
71st Coolest
Coolest since:
1912
57th Warmest
Warmest since:
2012
Apr 1963–Sep 1964
18-Month
68.97°F
(20.54°C)
68.64°F
(20.36°C)
0.33°F
(0.18°C)
75th Coolest
Coolest since:
1912
53rd Warmest
Warmest since:
2012
Ties: 1998
Oct 1962–Sep 1964
24-Month
64.42°F
(18.01°C)
63.99°F
(17.77°C)
0.43°F
(0.24°C)
84th Coolest
Coolest since:
1913
43rd Warmest
Warmest since:
2017
Oct 1961–Sep 1964
36-Month
64.05°F
(17.81°C)
63.98°F
(17.77°C)
0.07°F
(0.04°C)
64th Coolest
Coolest since:
1917
62nd Warmest
Warmest since:
2018
Ties: 1993
Oct 1960–Sep 1964
48-Month
64.06°F
(17.81°C)
63.97°F
(17.76°C)
0.09°F
(0.05°C)
61st Coolest
Coolest since:
1915
64th Warmest
Warmest since:
2018
Ties: 1924, 1958
Oct 1959–Sep 1964
60-Month
63.93°F
(17.74°C)
63.96°F
(17.76°C)
-0.03°F
(-0.02°C)
56th Coolest
Coolest since:
1907
68th Warmest
Warmest since:
2016
Ties: 1922

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