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.

Minimum Temperature Rankings, August 1966

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
August 1966
1-Month
58.12°F
(14.51°C)
59.06°F
(15.03°C)
-0.94°F
(-0.52°C)
20th Coolest
Coolest since:
1950
109th Warmest
Warmest since:
2022
Ties: 1946
Jul–Aug 1966
2-Month
59.92°F
(15.51°C)
59.80°F
(15.44°C)
0.12°F
(0.07°C)
61st Coolest
Coolest since:
1950
68th Warmest
Warmest since:
2022
Ties: 1949, 1952, 1987, 1997
Jun–Aug 1966
3-Month
58.18°F
(14.54°C)
58.41°F
(14.67°C)
-0.23°F
(-0.13°C)
40th Coolest
Coolest since:
1915
89th Warmest
Warmest since:
2021
May–Aug 1966
4-Month
55.27°F
(12.93°C)
55.67°F
(13.15°C)
-0.40°F
(-0.22°C)
28th Coolest
Coolest since:
1907
101st Warmest
Warmest since:
2018
Apr–Aug 1966
5-Month
51.72°F
(10.96°C)
52.25°F
(11.25°C)
-0.53°F
(-0.29°C)
24th Coolest
Coolest since:
1907
105th Warmest
Warmest since:
2012
Ties: 1929
Mar–Aug 1966
6-Month
48.18°F
(8.99°C)
48.54°F
(9.19°C)
-0.36°F
(-0.20°C)
34th Coolest
Coolest since:
1917
95th Warmest
Warmest since:
2012
Feb–Aug 1966
7-Month
44.24°F
(6.80°C)
44.87°F
(7.15°C)
-0.63°F
(-0.35°C)
26th Coolest
Coolest since:
1917
103rd Warmest
Warmest since:
2012
Jan–Aug 1966
8-Month
40.76°F
(4.87°C)
41.73°F
(5.41°C)
-0.97°F
(-0.54°C)
12th Coolest
Coolest since:
1917
117th Warmest
Warmest since:
2012
Ties: 1971
Dec 1965–Aug 1966
9-Month
39.12°F
(3.96°C)
39.61°F
(4.23°C)
-0.49°F
(-0.27°C)
31st Coolest
Coolest since:
1917
97th Warmest
Warmest since:
2012
Ties: 1963
Nov 1965–Aug 1966
10-Month
38.59°F
(3.66°C)
38.72°F
(3.73°C)
-0.13°F
(-0.07°C)
48th Coolest
Coolest since:
1917
80th Warmest
Warmest since:
2016
Oct 1965–Aug 1966
11-Month
38.83°F
(3.79°C)
38.97°F
(3.87°C)
-0.14°F
(-0.08°C)
49th Coolest
Coolest since:
1917
79th Warmest
Warmest since:
2016
Ties: 1975
Sep 1965–Aug 1966
12-Month
39.78°F
(4.32°C)
40.05°F
(4.47°C)
-0.27°F
(-0.15°C)
38th Coolest
Coolest since:
1917
90th Warmest
Warmest since:
2016
Mar 1965–Aug 1966
18-Month
42.38°F
(5.77°C)
42.88°F
(6.04°C)
-0.50°F
(-0.27°C)
21st Coolest
Coolest since:
1917
107th Warmest
Warmest since:
2016
Sep 1964–Aug 1966
24-Month
39.53°F
(4.18°C)
40.04°F
(4.47°C)
-0.51°F
(-0.29°C)
19th Coolest
Coolest since:
1918
108th Warmest
Warmest since:
2017
Ties: 1971
Sep 1963–Aug 1966
36-Month
39.63°F
(4.24°C)
40.02°F
(4.46°C)
-0.39°F
(-0.22°C)
21st Coolest
Coolest since:
1918
105th Warmest
Warmest since:
2017
Ties: 1969
Sep 1962–Aug 1966
48-Month
39.71°F
(4.28°C)
40.00°F
(4.44°C)
-0.29°F
(-0.16°C)
28th Coolest
Coolest since:
1918
97th Warmest
Warmest since:
2018
Ties: 1926, 1972
Sep 1961–Aug 1966
60-Month
39.63°F
(4.24°C)
40.00°F
(4.44°C)
-0.37°F
(-0.20°C)
20th Coolest
Coolest since:
1920
104th Warmest
Warmest since:
2020

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