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 1911

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1911
1-Month
78.35°F
(25.75°C)
77.81°F
(25.45°C)
0.54°F
(0.30°C)
71st Coolest
Coolest since:
1965
58th Warmest
Warmest since:
1998
Aug–Sep 1911
2-Month
81.18°F
(27.32°C)
81.47°F
(27.48°C)
-0.29°F
(-0.16°C)
49th Coolest
Coolest since:
1965
80th Warmest
Warmest since:
1998
Jul–Sep 1911
3-Month
82.72°F
(28.18°C)
83.20°F
(28.44°C)
-0.48°F
(-0.26°C)
37th Coolest
Coolest since:
1912
92nd Warmest
Warmest since:
1936
Jun–Sep 1911
4-Month
83.11°F
(28.39°C)
82.75°F
(28.19°C)
0.36°F
(0.20°C)
72nd Coolest
Coolest since:
1915
57th Warmest
Warmest since:
1936
May–Sep 1911
5-Month
81.43°F
(27.46°C)
80.78°F
(27.10°C)
0.65°F
(0.36°C)
84th Coolest
Coolest since:
1915
45th Warmest
Warmest since:
1936
Apr–Sep 1911
6-Month
78.21°F
(25.67°C)
77.90°F
(25.50°C)
0.31°F
(0.17°C)
70th Coolest
Coolest since:
1907
59th Warmest
Warmest since:
2012
Mar–Sep 1911
7-Month
75.08°F
(23.93°C)
74.35°F
(23.53°C)
0.73°F
(0.40°C)
89th Coolest
Coolest since:
1912
40th Warmest
Warmest since:
2012
Feb–Sep 1911
8-Month
71.21°F
(21.78°C)
70.66°F
(21.48°C)
0.55°F
(0.30°C)
83rd Coolest
Coolest since:
1912
46th Warmest
Warmest since:
2012
Jan–Sep 1911
9-Month
68.12°F
(20.07°C)
67.31°F
(19.62°C)
0.81°F
(0.45°C)
91st Coolest
Coolest since:
1912
38th Warmest
Warmest since:
2012
Ties: 1994
Dec 1910–Sep 1911
10-Month
65.50°F
(18.61°C)
64.85°F
(18.25°C)
0.65°F
(0.36°C)
87th Coolest
Coolest since:
1912
41st Warmest
Warmest to Date
2012
Nov 1910–Sep 1911
11-Month
64.28°F
(17.93°C)
63.75°F
(17.64°C)
0.53°F
(0.29°C)
84th Coolest
Coolest since:
1912
44th Warmest
Warmest since:
2012
Oct 1910–Sep 1911
12-Month
64.68°F
(18.16°C)
64.01°F
(17.78°C)
0.67°F
(0.38°C)
92nd Coolest
Coolest since:
1912
36th Warmest
Warmest to Date
2012
Ties: 1932
Apr 1910–Sep 1911
18-Month
69.36°F
(20.76°C)
68.63°F
(20.35°C)
0.73°F
(0.41°C)
93rd Coolest
Coolest since:
1912
35th Warmest
Warmest to Date
2012
Oct 1909–Sep 1911
24-Month
64.57°F
(18.09°C)
64.00°F
(17.78°C)
0.57°F
(0.31°C)
88th Coolest
Coolest since:
1913
39th Warmest
Warmest to Date
2017
Oct 1908–Sep 1911
36-Month
64.29°F
(17.94°C)
63.98°F
(17.77°C)
0.31°F
(0.17°C)
81st Coolest
Coolest since:
1917
45th Warmest
Warmest to Date
2018
Ties: 1996
Oct 1907–Sep 1911
48-Month
64.28°F
(17.93°C)
63.97°F
(17.76°C)
0.31°F
(0.17°C)
79th Coolest
Coolest since:
1915
46th Warmest
Warmest to Date
2018
Ties: 1998
Oct 1906–Sep 1911
60-Month
64.03°F
(17.79°C)
63.96°F
(17.76°C)
0.07°F
(0.03°C)
65th Coolest
Coolest since:
1907
59th Warmest
Warmest to Date
2016

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