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 1909

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
August 1909
1-Month
59.77°F
(15.43°C)
59.06°F
(15.03°C)
0.71°F
(0.40°C)
88th Coolest
Coolest since:
1950
41st Warmest
Warmest since:
2022
Ties: 1913, 1980, 2002
Jul–Aug 1909
2-Month
59.89°F
(15.49°C)
59.80°F
(15.44°C)
0.09°F
(0.05°C)
57th Coolest
Coolest since:
1950
72nd Warmest
Warmest since:
2022
Ties: 1973
Jun–Aug 1909
3-Month
58.73°F
(14.85°C)
58.41°F
(14.67°C)
0.32°F
(0.18°C)
69th Coolest
Coolest since:
1915
60th Warmest
Warmest since:
2021
Ties: 1941
May–Aug 1909
4-Month
55.36°F
(12.98°C)
55.67°F
(13.15°C)
-0.31°F
(-0.17°C)
32nd Coolest
Coolest since:
1907
97th Warmest
Warmest since:
2018
Apr–Aug 1909
5-Month
51.57°F
(10.87°C)
52.26°F
(11.26°C)
-0.69°F
(-0.39°C)
14th Coolest
Coolest since:
1907
115th Warmest
Warmest since:
2012
Mar–Aug 1909
6-Month
47.87°F
(8.82°C)
48.55°F
(9.19°C)
-0.68°F
(-0.37°C)
21st Coolest
Coolest since:
1917
108th Warmest
Warmest since:
2012
Feb–Aug 1909
7-Month
44.44°F
(6.91°C)
44.87°F
(7.15°C)
-0.43°F
(-0.24°C)
34th Coolest
Coolest since:
1917
95th Warmest
Warmest since:
2012
Jan–Aug 1909
8-Month
41.67°F
(5.37°C)
41.73°F
(5.41°C)
-0.06°F
(-0.04°C)
55th Coolest
Coolest since:
1917
74th Warmest
Warmest since:
2012
Ties: 1930
Dec 1908–Aug 1909
9-Month
39.62°F
(4.23°C)
39.61°F
(4.23°C)
0.01°F
(0.00°C)
57th Coolest
Coolest since:
1917
71st Warmest
Warmest since:
2012
Ties: 1930
Nov 1908–Aug 1909
10-Month
38.72°F
(3.73°C)
38.72°F
(3.73°C)
0.00°F
(0.00°C)
58th Coolest
Coolest since:
1917
70th Warmest
Warmest since:
2016
Ties: 1943
Oct 1908–Aug 1909
11-Month
38.75°F
(3.75°C)
38.97°F
(3.87°C)
-0.22°F
(-0.12°C)
45th Coolest
Coolest since:
1917
83rd Warmest
Warmest since:
2016
Sep 1908–Aug 1909
12-Month
39.82°F
(4.34°C)
40.04°F
(4.47°C)
-0.22°F
(-0.13°C)
41st Coolest
Coolest since:
1917
87th Warmest
Warmest since:
2016
Mar 1908–Aug 1909
18-Month
42.71°F
(5.95°C)
42.88°F
(6.04°C)
-0.17°F
(-0.09°C)
48th Coolest
Coolest since:
1917
80th Warmest
Warmest since:
2016
Sep 1907–Aug 1909
24-Month
40.00°F
(4.44°C)
40.04°F
(4.47°C)
-0.04°F
(-0.03°C)
55th Coolest
Coolest since:
1918
72nd Warmest
Warmest since:
2017
Sep 1906–Aug 1909
36-Month
39.96°F
(4.42°C)
40.02°F
(4.46°C)
-0.06°F
(-0.04°C)
54th Coolest
Coolest since:
1918
72nd Warmest
Warmest since:
2017
Ties: 1944
Sep 1905–Aug 1909
48-Month
39.90°F
(4.39°C)
40.01°F
(4.45°C)
-0.11°F
(-0.06°C)
47th Coolest
Coolest since:
1918
78th Warmest
Warmest since:
2018
Ties: 1947, 1949
Sep 1904–Aug 1909
60-Month
39.82°F
(4.34°C)
40.00°F
(4.44°C)
-0.18°F
(-0.10°C)
40th Coolest
Coolest since:
1920
84th Warmest
Warmest since:
2020
Ties: 1902

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