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 1956

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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1956
1-Month
79.93°F
(26.63°C)
77.81°F
(25.45°C)
2.12°F
(1.18°C)
109th Coolest
Coolest since:
1965
20th Warmest
Warmest since:
1998
Aug–Sep 1956
2-Month
82.62°F
(28.12°C)
81.48°F
(27.49°C)
1.14°F
(0.63°C)
95th Coolest
Coolest since:
1965
34th Warmest
Warmest since:
1998
Jul–Sep 1956
3-Month
83.81°F
(28.78°C)
83.21°F
(28.45°C)
0.60°F
(0.33°C)
83rd Coolest
Coolest since:
1912
46th Warmest
Warmest since:
1936
Ties: 1925
Jun–Sep 1956
4-Month
83.85°F
(28.81°C)
82.74°F
(28.19°C)
1.11°F
(0.62°C)
100th Coolest
Coolest since:
1915
29th Warmest
Warmest since:
1936
May–Sep 1956
5-Month
82.01°F
(27.78°C)
80.78°F
(27.10°C)
1.23°F
(0.68°C)
106th Coolest
Coolest since:
1915
23rd Warmest
Warmest since:
1936
Apr–Sep 1956
6-Month
78.70°F
(25.94°C)
77.90°F
(25.50°C)
0.80°F
(0.44°C)
90th Coolest
Coolest since:
1907
39th Warmest
Warmest since:
2012
Mar–Sep 1956
7-Month
75.10°F
(23.94°C)
74.35°F
(23.53°C)
0.75°F
(0.41°C)
91st Coolest
Coolest since:
1912
38th Warmest
Warmest since:
2012
Feb–Sep 1956
8-Month
71.11°F
(21.73°C)
70.65°F
(21.47°C)
0.46°F
(0.26°C)
80th Coolest
Coolest since:
1912
49th Warmest
Warmest since:
2012
Jan–Sep 1956
9-Month
67.78°F
(19.88°C)
67.30°F
(19.61°C)
0.48°F
(0.27°C)
80th Coolest
Coolest since:
1912
49th Warmest
Warmest since:
2012
Dec 1955–Sep 1956
10-Month
65.19°F
(18.44°C)
64.85°F
(18.25°C)
0.34°F
(0.19°C)
74th Coolest
Coolest since:
1912
54th Warmest
Warmest since:
2012
Nov 1955–Sep 1956
11-Month
63.78°F
(17.66°C)
63.75°F
(17.64°C)
0.03°F
(0.02°C)
60th Coolest
Coolest since:
1912
68th Warmest
Warmest since:
2012
Oct 1955–Sep 1956
12-Month
64.20°F
(17.89°C)
64.01°F
(17.78°C)
0.19°F
(0.11°C)
68th Coolest
Coolest since:
1912
60th Warmest
Warmest since:
2012
Apr 1955–Sep 1956
18-Month
69.09°F
(20.61°C)
68.64°F
(20.36°C)
0.45°F
(0.25°C)
82nd Coolest
Coolest since:
1912
46th Warmest
Warmest since:
2012
Ties: 2019
Oct 1954–Sep 1956
24-Month
64.39°F
(17.99°C)
63.99°F
(17.77°C)
0.40°F
(0.22°C)
82nd Coolest
Coolest since:
1913
45th Warmest
Warmest since:
2017
Oct 1953–Sep 1956
36-Month
64.91°F
(18.28°C)
63.98°F
(17.77°C)
0.93°F
(0.51°C)
99th Coolest
Coolest since:
1917
27th Warmest
Warmest since:
2018
Oct 1952–Sep 1956
48-Month
64.98°F
(18.32°C)
63.97°F
(17.76°C)
1.01°F
(0.56°C)
101st Coolest
Coolest since:
1915
24th Warmest
Warmest since:
2018
Oct 1951–Sep 1956
60-Month
64.81°F
(18.23°C)
63.96°F
(17.76°C)
0.85°F
(0.47°C)
95th Coolest
Coolest since:
1907
29th Warmest
Warmest since:
2016
Ties: 1938

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