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 1968

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  • Top 1/3
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1968
1-Month
50.65°F
(10.36°C)
51.90°F
(11.06°C)
-1.25°F
(-0.70°C)
19th Coolest
Coolest since:
1918
110th Warmest
Warmest since:
2019
Aug–Sep 1968
2-Month
54.56°F
(12.53°C)
55.48°F
(13.04°C)
-0.92°F
(-0.51°C)
18th Coolest
Coolest since:
1974
111th Warmest
Warmest since:
2019
Jul–Sep 1968
3-Month
56.35°F
(13.53°C)
57.16°F
(13.98°C)
-0.81°F
(-0.45°C)
18th Coolest
Coolest since:
1924
111th Warmest
Warmest since:
2022
Ties: 1907
Jun–Sep 1968
4-Month
56.19°F
(13.44°C)
56.78°F
(13.77°C)
-0.59°F
(-0.33°C)
26th Coolest
Coolest since:
1903
103rd Warmest
Warmest since:
2021
May–Sep 1968
5-Month
54.09°F
(12.27°C)
54.91°F
(12.73°C)
-0.82°F
(-0.46°C)
15th Coolest
Coolest since:
1907, 1924
114th Warmest
Warmest since:
2018
Apr–Sep 1968
6-Month
51.40°F
(10.78°C)
52.19°F
(11.22°C)
-0.79°F
(-0.44°C)
14th Coolest
Coolest since:
1907
115th Warmest
Warmest since:
2018
Mar–Sep 1968
7-Month
48.51°F
(9.17°C)
49.02°F
(9.46°C)
-0.51°F
(-0.29°C)
27th Coolest
Coolest since:
1917
102nd Warmest
Warmest since:
2012
Feb–Sep 1968
8-Month
45.20°F
(7.33°C)
45.75°F
(7.64°C)
-0.55°F
(-0.31°C)
27th Coolest
Coolest since:
1917
102nd Warmest
Warmest since:
2012
Jan–Sep 1968
9-Month
42.24°F
(5.69°C)
42.86°F
(6.03°C)
-0.62°F
(-0.34°C)
24th Coolest
Coolest since:
1917
105th Warmest
Warmest since:
2012
Dec 1967–Sep 1968
10-Month
40.25°F
(4.58°C)
40.84°F
(4.91°C)
-0.59°F
(-0.33°C)
24th Coolest
Coolest since:
1917
104th Warmest
Warmest since:
2016
Ties: 1984
Nov 1967–Sep 1968
11-Month
39.36°F
(4.09°C)
39.92°F
(4.40°C)
-0.56°F
(-0.31°C)
24th Coolest
Coolest since:
1917
104th Warmest
Warmest since:
2016
Oct 1967–Sep 1968
12-Month
39.48°F
(4.16°C)
40.05°F
(4.47°C)
-0.57°F
(-0.31°C)
19th Coolest
Coolest since:
1917
109th Warmest
Warmest since:
2016
Apr 1967–Sep 1968
18-Month
43.44°F
(6.36°C)
44.09°F
(6.72°C)
-0.65°F
(-0.36°C)
13th Coolest
Coolest since:
1917
115th Warmest
Warmest since:
2016
Oct 1966–Sep 1968
24-Month
39.60°F
(4.22°C)
40.03°F
(4.46°C)
-0.43°F
(-0.24°C)
23rd Coolest
Coolest since:
1918
104th Warmest
Warmest since:
2017
Oct 1965–Sep 1968
36-Month
39.71°F
(4.28°C)
40.02°F
(4.46°C)
-0.31°F
(-0.18°C)
31st Coolest
Coolest since:
1918
95th Warmest
Warmest since:
2017, 2018
Ties: 1901, 1915, 1977
Oct 1964–Sep 1968
48-Month
39.59°F
(4.22°C)
40.01°F
(4.45°C)
-0.42°F
(-0.23°C)
20th Coolest
Coolest since:
1918
105th Warmest
Warmest since:
2018
Oct 1963–Sep 1968
60-Month
39.60°F
(4.22°C)
40.00°F
(4.44°C)
-0.40°F
(-0.22°C)
17th Coolest
Coolest since:
1920
107th Warmest
Warmest since:
2019, 2020

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