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, August 1990

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
August 1990
1-Month
84.90°F
(29.39°C)
85.14°F
(29.52°C)
-0.24°F
(-0.13°C)
50th Coolest
Coolest since:
1927
79th Warmest
Warmest since:
2011
Ties: 1895
Jul–Aug 1990
2-Month
85.32°F
(29.62°C)
85.90°F
(29.94°C)
-0.58°F
(-0.32°C)
33rd Coolest
Coolest since:
1992
96th Warmest
Warmest since:
1936
Ties: 1989
Jun–Aug 1990
3-Month
84.63°F
(29.24°C)
84.38°F
(29.10°C)
0.25°F
(0.14°C)
67th Coolest
Coolest since:
1915
62nd Warmest
Warmest since:
1936
May–Aug 1990
4-Month
81.20°F
(27.33°C)
81.53°F
(27.52°C)
-0.33°F
(-0.19°C)
40th Coolest
Coolest since:
1915
89th Warmest
Warmest since:
1934
Ties: 1899
Apr–Aug 1990
5-Month
77.96°F
(25.53°C)
77.92°F
(25.51°C)
0.04°F
(0.02°C)
53rd Coolest
Coolest since:
1907
76th Warmest
Warmest since:
1934
Mar–Aug 1990
6-Month
74.32°F
(23.51°C)
73.77°F
(23.21°C)
0.55°F
(0.30°C)
84th Coolest
Coolest since:
1912
45th Warmest
Warmest since:
2012
Ties: 1954
Feb–Aug 1990
7-Month
70.58°F
(21.43°C)
69.63°F
(20.91°C)
0.95°F
(0.52°C)
96th Coolest
Coolest since:
1912
33rd Warmest
Warmest since:
2012
Ties: 2011
Jan–Aug 1990
8-Month
67.65°F
(19.81°C)
65.99°F
(18.88°C)
1.66°F
(0.93°C)
114th Coolest
Coolest since:
1912
15th Warmest
Warmest since:
2012
Dec 1989–Aug 1990
9-Month
64.46°F
(18.03°C)
63.42°F
(17.46°C)
1.04°F
(0.57°C)
101st Coolest
Coolest since:
1979
27th Warmest
Warmest since:
2012
Nov 1989–Aug 1990
10-Month
63.49°F
(17.49°C)
62.35°F
(16.86°C)
1.14°F
(0.63°C)
107th Coolest
Coolest since:
1912
21st Warmest
Warmest since:
2012
Oct 1989–Aug 1990
11-Month
63.86°F
(17.70°C)
62.76°F
(17.09°C)
1.10°F
(0.61°C)
105th Coolest
Coolest since:
1912
23rd Warmest
Warmest since:
2012
Sep 1989–Aug 1990
12-Month
64.95°F
(18.31°C)
64.01°F
(17.78°C)
0.94°F
(0.53°C)
104th Coolest
Coolest since:
1912
24th Warmest
Warmest since:
2012
Mar 1989–Aug 1990
18-Month
68.01°F
(20.01°C)
67.26°F
(19.59°C)
0.75°F
(0.42°C)
93rd Coolest
Coolest since:
1899
35th Warmest
Warmest since:
2012
Sep 1988–Aug 1990
24-Month
64.67°F
(18.15°C)
64.00°F
(17.78°C)
0.67°F
(0.37°C)
94th Coolest
Coolest since:
1913
33rd Warmest
Warmest since:
2017
Ties: 1922
Sep 1987–Aug 1990
36-Month
64.87°F
(18.26°C)
63.98°F
(17.77°C)
0.89°F
(0.49°C)
98th Coolest
Coolest since:
1905
28th Warmest
Warmest since:
2018
Sep 1986–Aug 1990
48-Month
64.80°F
(18.22°C)
63.97°F
(17.76°C)
0.83°F
(0.46°C)
95th Coolest
Coolest since:
1915
30th Warmest
Warmest since:
2018
Ties: 1992
Sep 1985–Aug 1990
60-Month
64.71°F
(18.17°C)
63.96°F
(17.76°C)
0.75°F
(0.41°C)
90th Coolest
Coolest since:
1907
34th Warmest
Warmest since:
2020

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