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 1921

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
August 1921
1-Month
59.02°F
(15.01°C)
59.06°F
(15.03°C)
-0.04°F
(-0.02°C)
55th Coolest
Coolest since:
1950
74th Warmest
Warmest since:
2022
Ties: 1940, 1954, 1963
Jul–Aug 1921
2-Month
60.37°F
(15.76°C)
59.80°F
(15.44°C)
0.57°F
(0.32°C)
91st Coolest
Coolest since:
1950
38th Warmest
Warmest since:
2022
Jun–Aug 1921
3-Month
59.49°F
(15.27°C)
58.41°F
(14.67°C)
1.08°F
(0.60°C)
105th Coolest
Coolest since:
1915
24th Warmest
Warmest to Date
2021
May–Aug 1921
4-Month
56.53°F
(13.63°C)
55.67°F
(13.15°C)
0.86°F
(0.48°C)
98th Coolest
Coolest since:
1907
31st Warmest
Warmest since:
2018
Apr–Aug 1921
5-Month
52.88°F
(11.60°C)
52.26°F
(11.26°C)
0.62°F
(0.34°C)
92nd Coolest
Coolest since:
1907
37th Warmest
Warmest since:
2012
Mar–Aug 1921
6-Month
49.85°F
(9.92°C)
48.55°F
(9.19°C)
1.30°F
(0.73°C)
108th Coolest
Coolest since:
1917
21st Warmest
Warmest to Date
2012
Feb–Aug 1921
7-Month
46.37°F
(7.98°C)
44.87°F
(7.15°C)
1.50°F
(0.83°C)
114th Coolest
Coolest since:
1917
15th Warmest
Warmest to Date
2012
Ties: 2021
Jan–Aug 1921
8-Month
43.60°F
(6.44°C)
41.73°F
(5.41°C)
1.87°F
(1.03°C)
117th Coolest
Coolest since:
1917
12th Warmest
Warmest to Date
2012
Dec 1920–Aug 1921
9-Month
41.37°F
(5.21°C)
39.61°F
(4.23°C)
1.76°F
(0.98°C)
116th Coolest
Coolest since:
1917
12th Warmest
Warmest to Date
2012
Nov 1920–Aug 1921
10-Month
40.20°F
(4.56°C)
38.72°F
(3.73°C)
1.48°F
(0.83°C)
110th Coolest
Coolest since:
1917
18th Warmest
Warmest to Date
2016
Ties: 1934
Oct 1920–Aug 1921
11-Month
40.37°F
(4.65°C)
38.96°F
(3.87°C)
1.41°F
(0.78°C)
110th Coolest
Coolest since:
1917
18th Warmest
Warmest to Date
2016
Sep 1920–Aug 1921
12-Month
41.40°F
(5.22°C)
40.04°F
(4.47°C)
1.36°F
(0.75°C)
109th Coolest
Coolest since:
1917
19th Warmest
Warmest to Date
2016
Ties: 1991
Mar 1920–Aug 1921
18-Month
43.32°F
(6.29°C)
42.88°F
(6.04°C)
0.44°F
(0.25°C)
85th Coolest
Coolest since:
1917
43rd Warmest
Warmest since:
2016
Sep 1919–Aug 1921
24-Month
40.16°F
(4.53°C)
40.03°F
(4.46°C)
0.13°F
(0.07°C)
68th Coolest
Coolest since:
1918
59th Warmest
Warmest since:
2017
Ties: 1973
Sep 1918–Aug 1921
36-Month
40.24°F
(4.58°C)
40.02°F
(4.46°C)
0.22°F
(0.12°C)
69th Coolest
Coolest since:
1918
57th Warmest
Warmest to Date
2017
Sep 1917–Aug 1921
48-Month
39.88°F
(4.38°C)
40.00°F
(4.44°C)
-0.12°F
(-0.06°C)
46th Coolest
Coolest since:
1918
79th Warmest
Warmest since:
2018
Sep 1916–Aug 1921
60-Month
39.40°F
(4.11°C)
40.00°F
(4.44°C)
-0.60°F
(-0.33°C)
7th Coolest
Coolest since:
1920
117th Warmest
Warmest since:
2020

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