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 1990

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
August 1990
1-Month
59.63°F
(15.35°C)
59.06°F
(15.03°C)
0.57°F
(0.32°C)
82nd Coolest
Coolest since:
1950
47th Warmest
Warmest since:
2022
Jul–Aug 1990
2-Month
60.20°F
(15.67°C)
59.80°F
(15.44°C)
0.40°F
(0.23°C)
79th Coolest
Coolest since:
1950
50th Warmest
Warmest since:
2022
Jun–Aug 1990
3-Month
59.20°F
(15.11°C)
58.41°F
(14.67°C)
0.79°F
(0.44°C)
93rd Coolest
Coolest since:
1915
36th Warmest
Warmest since:
2021
May–Aug 1990
4-Month
56.11°F
(13.39°C)
55.67°F
(13.15°C)
0.44°F
(0.24°C)
78th Coolest
Coolest since:
1907
51st Warmest
Warmest since:
2018
Ties: 1943
Apr–Aug 1990
5-Month
52.89°F
(11.61°C)
52.25°F
(11.25°C)
0.64°F
(0.36°C)
93rd Coolest
Coolest since:
1907
36th Warmest
Warmest since:
2012
Mar–Aug 1990
6-Month
49.64°F
(9.80°C)
48.54°F
(9.19°C)
1.10°F
(0.61°C)
103rd Coolest
Coolest since:
1917
26th Warmest
Warmest since:
2012
Ties: 1938
Feb–Aug 1990
7-Month
46.15°F
(7.86°C)
44.87°F
(7.15°C)
1.28°F
(0.71°C)
107th Coolest
Coolest since:
1917
22nd Warmest
Warmest since:
2012
Jan–Aug 1990
8-Month
43.61°F
(6.45°C)
41.73°F
(5.41°C)
1.88°F
(1.04°C)
118th Coolest
Coolest since:
1917
11th Warmest
Warmest since:
2012
Dec 1989–Aug 1990
9-Month
40.61°F
(4.78°C)
39.61°F
(4.23°C)
1.00°F
(0.55°C)
95th Coolest
Coolest since:
1917
33rd Warmest
Warmest since:
2012
Nov 1989–Aug 1990
10-Month
39.65°F
(4.25°C)
38.72°F
(3.73°C)
0.93°F
(0.52°C)
97th Coolest
Coolest since:
1917
31st Warmest
Warmest since:
2016
Oct 1989–Aug 1990
11-Month
39.79°F
(4.33°C)
38.97°F
(3.87°C)
0.82°F
(0.46°C)
92nd Coolest
Coolest since:
1917
36th Warmest
Warmest since:
2016
Sep 1989–Aug 1990
12-Month
40.74°F
(4.86°C)
40.04°F
(4.47°C)
0.70°F
(0.39°C)
93rd Coolest
Coolest since:
1917
35th Warmest
Warmest since:
2016
Mar 1989–Aug 1990
18-Month
43.52°F
(6.40°C)
42.87°F
(6.04°C)
0.65°F
(0.36°C)
93rd Coolest
Coolest since:
1917
35th Warmest
Warmest since:
2016
Sep 1988–Aug 1990
24-Month
40.53°F
(4.74°C)
40.04°F
(4.47°C)
0.49°F
(0.27°C)
86th Coolest
Coolest since:
1918
41st Warmest
Warmest since:
2017
Ties: 1954
Sep 1987–Aug 1990
36-Month
40.42°F
(4.68°C)
40.02°F
(4.46°C)
0.40°F
(0.22°C)
80th Coolest
Coolest since:
1918
46th Warmest
Warmest since:
2017
Sep 1986–Aug 1990
48-Month
40.70°F
(4.83°C)
40.01°F
(4.45°C)
0.69°F
(0.38°C)
93rd Coolest
Coolest since:
1918
32nd Warmest
Warmest since:
2018
Sep 1985–Aug 1990
60-Month
40.75°F
(4.86°C)
40.00°F
(4.44°C)
0.75°F
(0.42°C)
93rd Coolest
Coolest since:
1920
31st Warmest
Warmest since:
2020

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