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 1899

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
August 1899
1-Month
84.76°F
(29.31°C)
85.14°F
(29.52°C)
-0.38°F
(-0.21°C)
45th Coolest
Coolest since:
1927
84th Warmest
Warmest since:
2011
Jul–Aug 1899
2-Month
85.51°F
(29.73°C)
85.91°F
(29.95°C)
-0.40°F
(-0.22°C)
39th Coolest
Coolest since:
1992
90th Warmest
Warmest since:
1936
Jun–Aug 1899
3-Month
84.18°F
(28.99°C)
84.38°F
(29.10°C)
-0.20°F
(-0.11°C)
41st Coolest
Coolest since:
1915
88th Warmest
Warmest since:
1936
May–Aug 1899
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: 1990
Apr–Aug 1899
5-Month
77.55°F
(25.31°C)
77.92°F
(25.51°C)
-0.37°F
(-0.20°C)
39th Coolest
Coolest since:
1907
90th Warmest
Warmest since:
1934
Mar–Aug 1899
6-Month
72.77°F
(22.65°C)
73.77°F
(23.21°C)
-1.00°F
(-0.56°C)
19th Coolest
Coolest since:
1912
110th Warmest
Warmest since:
2012
Feb–Aug 1899
7-Month
67.57°F
(19.76°C)
69.63°F
(20.91°C)
-2.06°F
(-1.15°C)
4th Coolest
Coolest since:
1912
125th Warmest
Warmest since:
2012
Jan–Aug 1899
8-Month
64.11°F
(17.84°C)
65.99°F
(18.88°C)
-1.88°F
(-1.04°C)
4th Coolest
Coolest since:
1912
125th Warmest
Warmest since:
2012
Dec 1898–Aug 1899
9-Month
61.31°F
(16.28°C)
63.41°F
(17.45°C)
-2.10°F
(-1.17°C)
4th Coolest
Coolest since:
1979
124th Warmest
Warmest since:
2012
Ties: 1917
Nov 1898–Aug 1899
10-Month
60.13°F
(15.63°C)
62.35°F
(16.86°C)
-2.22°F
(-1.23°C)
3rd Coolest
Coolest since:
1912
125th Warmest
Warmest since:
2012
Oct 1898–Aug 1899
11-Month
60.43°F
(15.79°C)
62.76°F
(17.09°C)
-2.33°F
(-1.30°C)
2nd Coolest
Coolest since:
1912
126th Warmest
Warmest since:
2012
Sep 1898–Aug 1899
12-Month
61.95°F
(16.64°C)
64.01°F
(17.78°C)
-2.06°F
(-1.14°C)
2nd Coolest
Coolest since:
1912
126th Warmest
Warmest since:
2012
Mar 1898–Aug 1899
18-Month
65.84°F
(18.80°C)
67.26°F
(19.59°C)
-1.42°F
(-0.79°C)
1st Coolest
Coolest since:
1899
127th Warmest
Warmest since:
2012
Sep 1897–Aug 1899
24-Month
63.05°F
(17.25°C)
63.99°F
(17.77°C)
-0.94°F
(-0.52°C)
7th Coolest
Coolest since:
1913
120th Warmest
Warmest since:
2017
Ties: 1903
Sep 1896–Aug 1899
36-Month
62.97°F
(17.21°C)
63.98°F
(17.77°C)
-1.01°F
(-0.56°C)
3rd Coolest
Coolest since:
1905
123rd Warmest
Warmest since:
2018
Ties: 1914
Sep 1895–Aug 1899
48-Month
63.20°F
(17.33°C)
63.97°F
(17.76°C)
-0.77°F
(-0.43°C)
8th Coolest
Coolest since:
1915
117th Warmest
Warmest to Date
2018

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