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 1902

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
September 1902
1-Month		75.97°F
(24.43°C)		77.81°F
(25.45°C)		-1.84°F
(-1.02°C)		16th Coolest
Coolest since:
1965
113th Warmest
Warmest since:
1998
Aug–Sep 1902
2-Month		80.20°F
(26.78°C)		81.48°F
(27.49°C)		-1.28°F
(-0.71°C)		14th Coolest
Coolest to Date
1965
115th Warmest
Warmest since:
1998
Jul–Sep 1902
3-Month		81.79°F
(27.66°C)		83.21°F
(28.45°C)		-1.42°F
(-0.79°C)		9th Coolest
Coolest to Date
1912
120th Warmest
Warmest since:
1936
Ties: 1927
Jun–Sep 1902
4-Month		81.64°F
(27.58°C)		82.74°F
(28.19°C)		-1.10°F
(-0.61°C)		16th Coolest
Coolest to Date
1915
113th Warmest
Warmest since:
1936
May–Sep 1902
5-Month		80.19°F
(26.77°C)		80.78°F
(27.10°C)		-0.59°F
(-0.33°C)		29th Coolest
Coolest to Date
1915
100th Warmest
Warmest since:
1936
Ties: 1974
Apr–Sep 1902
6-Month		77.39°F
(25.22°C)		77.90°F
(25.50°C)		-0.51°F
(-0.28°C)		35th Coolest
Coolest to Date
1907
94th Warmest
Warmest since:
2012
Mar–Sep 1902
7-Month		73.81°F
(23.23°C)		74.35°F
(23.53°C)		-0.54°F
(-0.30°C)		28th Coolest
Coolest since:
1912
101st Warmest
Warmest since:
2012
Feb–Sep 1902
8-Month		69.82°F
(21.01°C)		70.66°F
(21.48°C)		-0.84°F
(-0.47°C)		23rd Coolest
Coolest since:
1912
106th Warmest
Warmest since:
2012
Jan–Sep 1902
9-Month		66.61°F
(19.23°C)		67.30°F
(19.61°C)		-0.69°F
(-0.38°C)		23rd Coolest
Coolest since:
1912
106th Warmest
Warmest since:
2012
Dec 1901–Sep 1902
10-Month		64.14°F
(17.86°C)		64.86°F
(18.26°C)		-0.72°F
(-0.40°C)		23rd Coolest
Coolest since:
1912
105th Warmest
Warmest since:
2012
Nov 1901–Sep 1902
11-Month		63.16°F
(17.31°C)		63.75°F
(17.64°C)		-0.59°F
(-0.33°C)		27th Coolest
Coolest since:
1912
101st Warmest
Warmest since:
2012
Oct 1901–Sep 1902
12-Month		63.61°F
(17.56°C)		64.01°F
(17.78°C)		-0.40°F
(-0.22°C)		32nd Coolest
Coolest since:
1912
96th Warmest
Warmest since:
2012
Ties: 1923
Apr 1901–Sep 1902
18-Month		68.46°F
(20.26°C)		68.64°F
(20.36°C)		-0.18°F
(-0.10°C)		44th Coolest
Coolest since:
1912
84th Warmest
Warmest since:
2012
Oct 1900–Sep 1902
24-Month		63.83°F
(17.68°C)		64.00°F
(17.78°C)		-0.17°F
(-0.10°C)		48th Coolest
Coolest since:
1913
79th Warmest
Warmest since:
2017
Oct 1899–Sep 1902
36-Month		64.04°F
(17.80°C)		63.98°F
(17.77°C)		0.06°F
(0.03°C)		61st Coolest
Coolest since:
1917
65th Warmest
Warmest to Date
2018
Ties: 1997
Oct 1898–Sep 1902
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: 1970, 1975
Oct 1897–Sep 1902
60-Month		63.63°F
(17.57°C)		63.96°F
(17.76°C)		-0.33°F
(-0.19°C)		28th Coolest
Coolest since:
1907
96th Warmest
Warmest to Date
2016

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