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 2008

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 2008
1-Month
77.99°F
(25.55°C)
77.81°F
(25.45°C)
0.18°F
(0.10°C)
62nd Coolest
Coolest since:
1965
67th Warmest
Warmest since:
1998
Aug–Sep 2008
2-Month
81.47°F
(27.48°C)
81.48°F
(27.49°C)
-0.01°F
(-0.01°C)
55th Coolest
Coolest since:
1965
74th Warmest
Warmest since:
1998
Jul–Sep 2008
3-Month
83.32°F
(28.51°C)
83.21°F
(28.45°C)
0.11°F
(0.06°C)
67th Coolest
Coolest since:
1912
62nd Warmest
Warmest since:
1936
Ties: 1899
Jun–Sep 2008
4-Month
83.15°F
(28.42°C)
82.74°F
(28.19°C)
0.41°F
(0.23°C)
75th Coolest
Coolest since:
1915
54th Warmest
Warmest since:
1936
May–Sep 2008
5-Month
80.95°F
(27.19°C)
80.78°F
(27.10°C)
0.17°F
(0.09°C)
64th Coolest
Coolest since:
1915
65th Warmest
Warmest since:
1936
Ties: 1991
Apr–Sep 2008
6-Month
78.03°F
(25.57°C)
77.90°F
(25.50°C)
0.13°F
(0.07°C)
59th Coolest
Coolest since:
1907
70th Warmest
Warmest since:
2012
Mar–Sep 2008
7-Month
74.61°F
(23.67°C)
74.35°F
(23.53°C)
0.26°F
(0.14°C)
70th Coolest
Coolest since:
1912
59th Warmest
Warmest since:
2012
Ties: 2013
Feb–Sep 2008
8-Month
71.04°F
(21.69°C)
70.66°F
(21.48°C)
0.38°F
(0.21°C)
79th Coolest
Coolest since:
1912
50th Warmest
Warmest since:
2012
Ties: 1992
Jan–Sep 2008
9-Month
67.67°F
(19.82°C)
67.30°F
(19.61°C)
0.37°F
(0.21°C)
78th Coolest
Coolest since:
1912
51st Warmest
Warmest since:
2012
Dec 2007–Sep 2008
10-Month
65.20°F
(18.44°C)
64.86°F
(18.26°C)
0.34°F
(0.18°C)
75th Coolest
Coolest since:
1912
53rd Warmest
Warmest since:
2012
Nov 2007–Sep 2008
11-Month
64.36°F
(17.98°C)
63.75°F
(17.64°C)
0.61°F
(0.34°C)
92nd Coolest
Coolest since:
1912
36th Warmest
Warmest since:
2012
Oct 2007–Sep 2008
12-Month
64.74°F
(18.19°C)
64.01°F
(17.78°C)
0.73°F
(0.41°C)
94th Coolest
Coolest since:
1912
34th Warmest
Warmest since:
2012
Apr 2007–Sep 2008
18-Month
69.58°F
(20.88°C)
68.64°F
(20.36°C)
0.94°F
(0.52°C)
104th Coolest
Coolest since:
1912
24th Warmest
Warmest since:
2012
Ties: 1931
Oct 2006–Sep 2008
24-Month
65.17°F
(18.43°C)
64.00°F
(17.78°C)
1.17°F
(0.65°C)
109th Coolest
Coolest since:
1913
18th Warmest
Warmest since:
2017
Oct 2005–Sep 2008
36-Month
65.58°F
(18.66°C)
63.98°F
(17.77°C)
1.60°F
(0.89°C)
118th Coolest
Coolest since:
1917
8th Warmest
Warmest since:
2018
Ties: 2001
Oct 2004–Sep 2008
48-Month
65.53°F
(18.63°C)
63.97°F
(17.76°C)
1.56°F
(0.87°C)
119th Coolest
Coolest since:
1915
6th Warmest
Warmest since:
2018
Oct 2003–Sep 2008
60-Month
65.38°F
(18.54°C)
63.96°F
(17.76°C)
1.42°F
(0.78°C)
113th Coolest
Coolest since:
1907
11th Warmest
Warmest since:
2016

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