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, September 1993

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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1993
1-Month
50.27°F
(10.15°C)
51.90°F
(11.06°C)
-1.63°F
(-0.91°C)
12th Coolest
Coolest since:
1918
117th Warmest
Warmest since:
2019
Ties: 1943
Aug–Sep 1993
2-Month
54.90°F
(12.72°C)
55.47°F
(13.04°C)
-0.57°F
(-0.32°C)
34th Coolest
Coolest since:
1974
95th Warmest
Warmest since:
2019
Jul–Sep 1993
3-Month
56.70°F
(13.72°C)
57.17°F
(13.98°C)
-0.47°F
(-0.26°C)
30th Coolest
Coolest since:
1924
99th Warmest
Warmest since:
2022
Ties: 1942, 1951
Jun–Sep 1993
4-Month
56.31°F
(13.51°C)
56.78°F
(13.77°C)
-0.47°F
(-0.26°C)
31st Coolest
Coolest since:
1903
98th Warmest
Warmest since:
2021
May–Sep 1993
5-Month
54.72°F
(12.62°C)
54.91°F
(12.73°C)
-0.19°F
(-0.11°C)
40th Coolest
Coolest since:
1907, 1924
89th Warmest
Warmest since:
2018
Ties: 1935
Apr–Sep 1993
6-Month
51.93°F
(11.07°C)
52.20°F
(11.22°C)
-0.27°F
(-0.15°C)
38th Coolest
Coolest since:
1907
91st Warmest
Warmest since:
2018
Ties: 1910
Mar–Sep 1993
7-Month
48.94°F
(9.41°C)
49.02°F
(9.46°C)
-0.08°F
(-0.05°C)
52nd Coolest
Coolest since:
1917
77th Warmest
Warmest since:
2012
Feb–Sep 1993
8-Month
45.44°F
(7.47°C)
45.74°F
(7.63°C)
-0.30°F
(-0.16°C)
38th Coolest
Coolest since:
1917
91st Warmest
Warmest since:
2012
Jan–Sep 1993
9-Month
42.76°F
(5.98°C)
42.86°F
(6.03°C)
-0.10°F
(-0.05°C)
54th Coolest
Coolest since:
1917
75th Warmest
Warmest since:
2012
Ties: 1909
Dec 1992–Sep 1993
10-Month
40.75°F
(4.86°C)
40.84°F
(4.91°C)
-0.09°F
(-0.05°C)
49th Coolest
Coolest since:
1917
79th Warmest
Warmest since:
2016
Ties: 1959
Nov 1992–Sep 1993
11-Month
39.85°F
(4.36°C)
39.91°F
(4.39°C)
-0.06°F
(-0.03°C)
52nd Coolest
Coolest since:
1917
76th Warmest
Warmest since:
2016
Oct 1992–Sep 1993
12-Month
39.99°F
(4.44°C)
40.05°F
(4.47°C)
-0.06°F
(-0.03°C)
53rd Coolest
Coolest since:
1917
75th Warmest
Warmest since:
2016
Apr 1992–Sep 1993
18-Month
43.98°F
(6.66°C)
44.10°F
(6.72°C)
-0.12°F
(-0.06°C)
47th Coolest
Coolest since:
1917
81st Warmest
Warmest since:
2016
Oct 1991–Sep 1993
24-Month
40.61°F
(4.78°C)
40.04°F
(4.47°C)
0.57°F
(0.31°C)
89th Coolest
Coolest since:
1918
38th Warmest
Warmest since:
2017
Oct 1990–Sep 1993
36-Month
40.81°F
(4.89°C)
40.02°F
(4.46°C)
0.79°F
(0.43°C)
97th Coolest
Coolest since:
1918
29th Warmest
Warmest since:
2017, 2018
Oct 1989–Sep 1993
48-Month
40.86°F
(4.92°C)
40.01°F
(4.45°C)
0.85°F
(0.47°C)
99th Coolest
Coolest since:
1918
26th Warmest
Warmest since:
2018
Oct 1988–Sep 1993
60-Month
40.74°F
(4.86°C)
40.00°F
(4.44°C)
0.74°F
(0.42°C)
93rd Coolest
Coolest since:
1920
31st Warmest
Warmest since:
2019, 2020

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