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 1925

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
September 1925
1-Month 		79.03°F
(26.13°C)		 77.81°F
(25.45°C)		 1.22°F
(0.68°C)		 91st Coolest
Coolest since:
 1965
38th Warmest
Warmest since:
 1998
Aug–Sep 1925
2-Month 		82.00°F
(27.78°C)		 81.48°F
(27.49°C)		 0.52°F
(0.29°C)		 77th Coolest
Coolest since:
 1965
52nd Warmest
Warmest since:
 1998
Jul–Sep 1925
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: 1956
Jun–Sep 1925
4-Month 		83.53°F
(28.63°C)		 82.74°F
(28.19°C)		 0.79°F
(0.44°C)		 90th Coolest
Coolest since:
 1915
39th Warmest
Warmest since:
 1936
Ties: 1943
May–Sep 1925
5-Month 		81.55°F
(27.53°C)		 80.78°F
(27.10°C)		 0.77°F
(0.43°C)		 95th Coolest
Coolest since:
 1915
34th Warmest
Warmest since:
 1936
Ties: 1987, 2003
Apr–Sep 1925
6-Month 		79.24°F
(26.24°C)		 77.90°F
(25.50°C)		 1.34°F
(0.74°C)		 111th Coolest
Coolest since:
 1907
18th Warmest
Warmest to Date
 2012
Ties: 1987, 2007
Mar–Sep 1925
7-Month 		76.08°F
(24.49°C)		 74.35°F
(23.53°C)		 1.73°F
(0.96°C)		 115th Coolest
Coolest since:
 1912
14th Warmest
Warmest since:
 2012
Feb–Sep 1925
8-Month 		72.79°F
(22.66°C)		 70.66°F
(21.48°C)		 2.13°F
(1.18°C)		 123rd Coolest
Coolest since:
 1912
6th Warmest
Warmest to Date
 2012
Jan–Sep 1925
9-Month 		69.13°F
(20.63°C)		 67.30°F
(19.61°C)		 1.83°F
(1.02°C)		 119th Coolest
Coolest since:
 1912
10th Warmest
Warmest since:
 2012
Dec 1924–Sep 1925
10-Month 		66.00°F
(18.89°C)		 64.86°F
(18.26°C)		 1.14°F
(0.63°C)		 102nd Coolest
Coolest since:
 1912
26th Warmest
Warmest since:
 2012
Nov 1924–Sep 1925
11-Month 		64.94°F
(18.30°C)		 63.75°F
(17.64°C)		 1.19°F
(0.66°C)		 106th Coolest
Coolest since:
 1912
22nd Warmest
Warmest since:
 2012
Oct 1924–Sep 1925
12-Month 		65.24°F
(18.47°C)		 64.01°F
(17.78°C)		 1.23°F
(0.69°C)		 109th Coolest
Coolest since:
 1912
19th Warmest
Warmest to Date
 2012
Apr 1924–Sep 1925
18-Month 		69.23°F
(20.68°C)		 68.64°F
(20.36°C)		 0.59°F
(0.32°C)		 90th Coolest
Coolest since:
 1912
38th Warmest
Warmest since:
 2012
Oct 1923–Sep 1925
24-Month 		64.13°F
(17.85°C)		 64.00°F
(17.78°C)		 0.13°F
(0.07°C)		 67th Coolest
Coolest since:
 1913
60th Warmest
Warmest since:
 2017
Oct 1922–Sep 1925
36-Month 		63.96°F
(17.76°C)		 63.98°F
(17.77°C)		 -0.02°F
(-0.01°C)		 52nd Coolest
Coolest since:
 1917
74th Warmest
Warmest since:
 2018
Ties: 1977
Oct 1921–Sep 1925
48-Month 		64.08°F
(17.82°C)		 63.97°F
(17.76°C)		 0.11°F
(0.06°C)		 66th Coolest
Coolest since:
 1915
59th Warmest
Warmest since:
 2018
Oct 1920–Sep 1925
60-Month 		64.30°F
(17.94°C)		 63.96°F
(17.76°C)		 0.34°F
(0.18°C)		 77th Coolest
Coolest since:
 1907
47th Warmest
Warmest to Date
 2016

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