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 1955

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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
September 1955
1-Month
79.56°F
(26.42°C)
77.81°F
(25.45°C)
1.75°F
(0.97°C)
104th Coolest
Coolest since:
1965
25th Warmest
Warmest since:
1998
Aug–Sep 1955
2-Month
83.38°F
(28.54°C)
81.47°F
(27.48°C)
1.91°F
(1.06°C)
112th Coolest
Coolest since:
1965
17th Warmest
Warmest since:
1998
Jul–Sep 1955
3-Month
84.67°F
(29.26°C)
83.21°F
(28.45°C)
1.46°F
(0.81°C)
107th Coolest
Coolest since:
1912
22nd Warmest
Warmest since:
1936
Jun–Sep 1955
4-Month
83.36°F
(28.53°C)
82.75°F
(28.19°C)
0.61°F
(0.34°C)
84th Coolest
Coolest since:
1915
45th Warmest
Warmest since:
1936
May–Sep 1955
5-Month
81.54°F
(27.52°C)
80.79°F
(27.11°C)
0.75°F
(0.41°C)
92nd Coolest
Coolest since:
1915
37th Warmest
Warmest since:
1936
Apr–Sep 1955
6-Month
78.88°F
(26.04°C)
77.90°F
(25.50°C)
0.98°F
(0.54°C)
96th Coolest
Coolest since:
1907
33rd Warmest
Warmest since:
2012
Mar–Sep 1955
7-Month
75.09°F
(23.94°C)
74.35°F
(23.53°C)
0.74°F
(0.41°C)
90th Coolest
Coolest since:
1912
39th Warmest
Warmest since:
2012
Feb–Sep 1955
8-Month
71.00°F
(21.67°C)
70.66°F
(21.48°C)
0.34°F
(0.19°C)
77th Coolest
Coolest since:
1912
52nd Warmest
Warmest since:
2012
Jan–Sep 1955
9-Month
67.47°F
(19.71°C)
67.30°F
(19.61°C)
0.17°F
(0.10°C)
66th Coolest
Coolest since:
1912
63rd Warmest
Warmest since:
2012
Ties: 1919
Dec 1954–Sep 1955
10-Month
65.17°F
(18.43°C)
64.85°F
(18.25°C)
0.32°F
(0.18°C)
73rd Coolest
Coolest since:
1912
55th Warmest
Warmest since:
2012
Ties: 1900
Nov 1954–Sep 1955
11-Month
64.35°F
(17.97°C)
63.76°F
(17.64°C)
0.59°F
(0.33°C)
91st Coolest
Coolest since:
1912
37th Warmest
Warmest since:
2012
Ties: 2004
Oct 1954–Sep 1955
12-Month
64.59°F
(18.11°C)
64.01°F
(17.78°C)
0.58°F
(0.33°C)
87th Coolest
Coolest since:
1912
41st Warmest
Warmest since:
2012
Apr 1954–Sep 1955
18-Month
69.46°F
(20.81°C)
68.64°F
(20.36°C)
0.82°F
(0.45°C)
98th Coolest
Coolest since:
1912
30th Warmest
Warmest since:
2012
Ties: 1938
Oct 1953–Sep 1955
24-Month
65.27°F
(18.48°C)
63.99°F
(17.77°C)
1.28°F
(0.71°C)
111th Coolest
Coolest since:
1913
16th Warmest
Warmest since:
2017
Oct 1952–Sep 1955
36-Month
65.24°F
(18.47°C)
63.98°F
(17.77°C)
1.26°F
(0.70°C)
109th Coolest
Coolest since:
1917
17th Warmest
Warmest since:
2018
Ties: 1936
Oct 1951–Sep 1955
48-Month
64.97°F
(18.32°C)
63.97°F
(17.76°C)
1.00°F
(0.56°C)
100th Coolest
Coolest since:
1915
25th Warmest
Warmest since:
2018
Oct 1950–Sep 1955
60-Month
64.79°F
(18.22°C)
63.96°F
(17.76°C)
0.83°F
(0.46°C)
91st Coolest
Coolest since:
1907
33rd Warmest
Warmest since:
2016

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