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 1975

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
September 1975
1-Month		75.78°F
(24.32°C)		77.81°F
(25.45°C)		-2.03°F
(-1.13°C)		13th Coolest
Coolest since:
1965
116th Warmest
Warmest since:
1998
Aug–Sep 1975
2-Month		80.02°F
(26.68°C)		81.48°F
(27.49°C)		-1.46°F
(-0.81°C)		12th Coolest
Coolest since:
1965
117th Warmest
Warmest since:
1998
Jul–Sep 1975
3-Month		82.05°F
(27.81°C)		83.21°F
(28.45°C)		-1.16°F
(-0.64°C)		18th Coolest
Coolest since:
1912
111th Warmest
Warmest since:
1936
Jun–Sep 1975
4-Month		81.51°F
(27.51°C)		82.74°F
(28.19°C)		-1.23°F
(-0.68°C)		13th Coolest
Coolest since:
1915
116th Warmest
Warmest since:
1936
May–Sep 1975
5-Month		79.79°F
(26.55°C)		80.78°F
(27.10°C)		-0.99°F
(-0.55°C)		16th Coolest
Coolest since:
1915
113th Warmest
Warmest since:
1936
Apr–Sep 1975
6-Month		76.18°F
(24.54°C)		77.90°F
(25.50°C)		-1.72°F
(-0.96°C)		4th Coolest
Coolest since:
1907
125th Warmest
Warmest since:
2012
Mar–Sep 1975
7-Month		72.36°F
(22.42°C)		74.35°F
(23.53°C)		-1.99°F
(-1.11°C)		4th Coolest
Coolest since:
1912
125th Warmest
Warmest since:
2012
Feb–Sep 1975
8-Month		68.70°F
(20.39°C)		70.66°F
(21.48°C)		-1.96°F
(-1.09°C)		4th Coolest
Coolest since:
1912
125th Warmest
Warmest since:
2012
Jan–Sep 1975
9-Month		65.83°F
(18.79°C)		67.30°F
(19.61°C)		-1.47°F
(-0.82°C)		9th Coolest
Coolest since:
1912
120th Warmest
Warmest since:
2012
Ties: 1982
Dec 1974–Sep 1975
10-Month		63.58°F
(17.54°C)		64.86°F
(18.26°C)		-1.28°F
(-0.72°C)		11th Coolest
Coolest since:
1912
117th Warmest
Warmest since:
2012
Nov 1974–Sep 1975
11-Month		62.61°F
(17.01°C)		63.75°F
(17.64°C)		-1.14°F
(-0.63°C)		11th Coolest
Coolest since:
1912
117th Warmest
Warmest since:
2012
Oct 1974–Sep 1975
12-Month		62.98°F
(17.21°C)		64.01°F
(17.78°C)		-1.03°F
(-0.57°C)		11th Coolest
Coolest since:
1912
117th Warmest
Warmest since:
2012
Apr 1974–Sep 1975
18-Month		67.83°F
(19.91°C)		68.64°F
(20.36°C)		-0.81°F
(-0.45°C)		18th Coolest
Coolest since:
1912
110th Warmest
Warmest since:
2012
Oct 1973–Sep 1975
24-Month		63.75°F
(17.64°C)		64.00°F
(17.78°C)		-0.25°F
(-0.14°C)		43rd Coolest
Coolest since:
1913
84th Warmest
Warmest since:
2017
Ties: 1961
Oct 1972–Sep 1975
36-Month		63.34°F
(17.41°C)		63.98°F
(17.77°C)		-0.64°F
(-0.36°C)		16th Coolest
Coolest since:
1917
110th Warmest
Warmest since:
2018
Oct 1971–Sep 1975
48-Month		63.52°F
(17.51°C)		63.97°F
(17.76°C)		-0.45°F
(-0.25°C)		22nd Coolest
Coolest since:
1915
103rd Warmest
Warmest since:
2018
Ties: 1902, 1970
Oct 1970–Sep 1975
60-Month		63.49°F
(17.49°C)		63.96°F
(17.76°C)		-0.47°F
(-0.27°C)		16th Coolest
Coolest since:
1907
108th Warmest
Warmest since:
2016
Ties: 1921, 1971

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