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, July 1999

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
July 1999
1-Month		86.86°F
(30.48°C)		86.68°F
(30.38°C)		0.18°F
(0.10°C)		66th Coolest
Coolest since:
1992
63rd Warmest
Warmest since:
1936
Jun–Jul 1999
2-Month		83.62°F
(28.68°C)		84.01°F
(28.89°C)		-0.39°F
(-0.21°C)		43rd Coolest
Coolest since:
1915
86th Warmest
Warmest since:
1936
May–Jul 1999
3-Month		79.99°F
(26.66°C)		80.32°F
(26.84°C)		-0.33°F
(-0.18°C)		42nd Coolest
Coolest since:
1907
87th Warmest
Warmest since:
1934
Apr–Jul 1999
4-Month		75.85°F
(24.36°C)		76.12°F
(24.51°C)		-0.27°F
(-0.15°C)		43rd Coolest
Coolest since:
1907
86th Warmest
Warmest since:
1934
Mar–Jul 1999
5-Month		71.63°F
(22.02°C)		71.49°F
(21.94°C)		0.14°F
(0.08°C)		64th Coolest
Coolest since:
1912
65th Warmest
Warmest since:
2012
Feb–Jul 1999
6-Month		68.15°F
(20.08°C)		67.05°F
(19.47°C)		1.10°F
(0.61°C)		96th Coolest
Coolest since:
1912
33rd Warmest
Warmest since:
2012
Jan–Jul 1999
7-Month		64.77°F
(18.21°C)		63.25°F
(17.36°C)		1.52°F
(0.85°C)		109th Coolest
Coolest since:
1979
20th Warmest
Warmest since:
2012
Ties: 1931, 2015
Dec 1998–Jul 1999
8-Month		62.42°F
(16.90°C)		60.70°F
(15.94°C)		1.72°F
(0.96°C)		112th Coolest
Coolest since:
1979
16th Warmest
Warmest since:
2012
Nov 1998–Jul 1999
9-Month		61.56°F
(16.42°C)		59.82°F
(15.46°C)		1.74°F
(0.96°C)		113th Coolest
Coolest since:
1912
15th Warmest
Warmest since:
2012
Oct 1998–Jul 1999
10-Month		62.10°F
(16.72°C)		60.52°F
(15.84°C)		1.58°F
(0.88°C)		116th Coolest
Coolest since:
1912
12th Warmest
Warmest since:
2012
Sep 1998–Jul 1999
11-Month		63.90°F
(17.72°C)		62.09°F
(16.72°C)		1.81°F
(1.00°C)		116th Coolest
Coolest since:
1912
12th Warmest
Warmest since:
2012
Aug 1998–Jul 1999
12-Month		65.83°F
(18.79°C)		64.01°F
(17.78°C)		1.82°F
(1.01°C)		117th Coolest
Coolest since:
1912
11th Warmest
Warmest since:
2012
Feb 1998–Jul 1999
18-Month		66.48°F
(19.16°C)		65.01°F
(18.34°C)		1.47°F
(0.82°C)		113th Coolest
Coolest since:
1979
15th Warmest
Warmest since:
2017
Aug 1997–Jul 1999
24-Month		65.17°F
(18.43°C)		63.99°F
(17.77°C)		1.18°F
(0.66°C)		109th Coolest
Coolest since:
1913
18th Warmest
Warmest since:
2017
Aug 1996–Jul 1999
36-Month		64.59°F
(18.11°C)		63.98°F
(17.77°C)		0.61°F
(0.34°C)		90th Coolest
Coolest since:
1905
36th Warmest
Warmest since:
2018
Aug 1995–Jul 1999
48-Month		64.56°F
(18.09°C)		63.97°F
(17.76°C)		0.59°F
(0.33°C)		87th Coolest
Coolest since:
1915
38th Warmest
Warmest since:
2018
Aug 1994–Jul 1999
60-Month		64.51°F
(18.06°C)		63.96°F
(17.76°C)		0.55°F
(0.30°C)		86th Coolest
Coolest since:
1907
38th Warmest
Warmest since:
2016
Ties: 1941

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