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 1946

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1946
1-Month
77.43°F
(25.24°C)
77.81°F
(25.45°C)
-0.38°F
(-0.21°C)
47th Coolest
Coolest since:
1965
82nd Warmest
Warmest since:
1998
Ties: 1951
Aug–Sep 1946
2-Month
80.82°F
(27.12°C)
81.48°F
(27.49°C)
-0.66°F
(-0.37°C)
33rd Coolest
Coolest since:
1965
96th Warmest
Warmest since:
1998
Ties: 1941
Jul–Sep 1946
3-Month
82.93°F
(28.29°C)
83.21°F
(28.45°C)
-0.28°F
(-0.16°C)
45th Coolest
Coolest since:
1912
84th Warmest
Warmest since:
1936
Jun–Sep 1946
4-Month
82.59°F
(28.11°C)
82.74°F
(28.19°C)
-0.15°F
(-0.08°C)
53rd Coolest
Coolest since:
1915
76th Warmest
Warmest since:
1936
May–Sep 1946
5-Month
80.33°F
(26.85°C)
80.79°F
(27.11°C)
-0.46°F
(-0.26°C)
39th Coolest
Coolest since:
1915
90th Warmest
Warmest since:
1936
Apr–Sep 1946
6-Month
78.28°F
(25.71°C)
77.90°F
(25.50°C)
0.38°F
(0.21°C)
73rd Coolest
Coolest since:
1907
56th Warmest
Warmest since:
2012
Mar–Sep 1946
7-Month
75.50°F
(24.17°C)
74.34°F
(23.52°C)
1.16°F
(0.65°C)
104th Coolest
Coolest since:
1912
25th Warmest
Warmest since:
2012
Ties: 2002
Feb–Sep 1946
8-Month
71.97°F
(22.21°C)
70.65°F
(21.47°C)
1.32°F
(0.74°C)
105th Coolest
Coolest since:
1912
24th Warmest
Warmest since:
2012
Jan–Sep 1946
9-Month
68.64°F
(20.36°C)
67.31°F
(19.62°C)
1.33°F
(0.74°C)
104th Coolest
Coolest since:
1912
25th Warmest
Warmest since:
2012
Dec 1945–Sep 1946
10-Month
65.66°F
(18.70°C)
64.86°F
(18.26°C)
0.80°F
(0.44°C)
94th Coolest
Coolest since:
1912
34th Warmest
Warmest since:
2012
Ties: 1991
Nov 1945–Sep 1946
11-Month
64.53°F
(18.07°C)
63.75°F
(17.64°C)
0.78°F
(0.43°C)
95th Coolest
Coolest since:
1912
33rd Warmest
Warmest since:
2012
Oct 1945–Sep 1946
12-Month
64.75°F
(18.19°C)
64.01°F
(17.78°C)
0.74°F
(0.41°C)
96th Coolest
Coolest since:
1912
32nd Warmest
Warmest since:
2012
Ties: 2009
Apr 1945–Sep 1946
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: 1947
Oct 1944–Sep 1946
24-Month
64.29°F
(17.94°C)
64.00°F
(17.78°C)
0.29°F
(0.16°C)
73rd Coolest
Coolest since:
1913
54th Warmest
Warmest since:
2017
Oct 1943–Sep 1946
36-Month
64.19°F
(17.88°C)
63.98°F
(17.77°C)
0.21°F
(0.11°C)
72nd Coolest
Coolest since:
1917
54th Warmest
Warmest since:
2018
Oct 1942–Sep 1946
48-Month
64.34°F
(17.97°C)
63.97°F
(17.76°C)
0.37°F
(0.21°C)
82nd Coolest
Coolest since:
1915
43rd Warmest
Warmest since:
2018
Ties: 1993
Oct 1941–Sep 1946
60-Month
64.26°F
(17.92°C)
63.96°F
(17.76°C)
0.30°F
(0.16°C)
75th Coolest
Coolest since:
1907
49th Warmest
Warmest since:
2016

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