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 1974

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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 1974
1-Month
49.24°F
(9.58°C)
51.90°F
(11.06°C)
-2.66°F
(-1.48°C)
2nd Coolest
Coolest since:
1918
127th Warmest
Warmest since:
2019
Aug–Sep 1974
2-Month
53.41°F
(11.89°C)
55.48°F
(13.04°C)
-2.07°F
(-1.15°C)
1st Coolest
Coolest since:
1974
128th Warmest
Warmest since:
2019
Jul–Sep 1974
3-Month
55.83°F
(13.24°C)
57.16°F
(13.98°C)
-1.33°F
(-0.74°C)
6th Coolest
Coolest since:
1924
123rd Warmest
Warmest since:
2022
Jun–Sep 1974
4-Month
55.58°F
(13.10°C)
56.78°F
(13.77°C)
-1.20°F
(-0.67°C)
8th Coolest
Coolest since:
1903
121st Warmest
Warmest since:
2021
May–Sep 1974
5-Month
54.03°F
(12.24°C)
54.91°F
(12.73°C)
-0.88°F
(-0.49°C)
12th Coolest
Coolest since:
1907, 1924
117th Warmest
Warmest since:
2018
Apr–Sep 1974
6-Month
51.50°F
(10.83°C)
52.20°F
(11.22°C)
-0.70°F
(-0.39°C)
16th Coolest
Coolest since:
1907
113th Warmest
Warmest since:
2018
Ties: 1951
Mar–Sep 1974
7-Month
48.83°F
(9.35°C)
49.02°F
(9.46°C)
-0.19°F
(-0.11°C)
42nd Coolest
Coolest since:
1917
87th Warmest
Warmest since:
2012
Feb–Sep 1974
8-Month
45.57°F
(7.54°C)
45.75°F
(7.64°C)
-0.18°F
(-0.10°C)
47th Coolest
Coolest since:
1917
82nd Warmest
Warmest since:
2012
Jan–Sep 1974
9-Month
42.87°F
(6.04°C)
42.86°F
(6.03°C)
0.01°F
(0.01°C)
59th Coolest
Coolest since:
1917
70th Warmest
Warmest since:
2012
Dec 1973–Sep 1974
10-Month
40.95°F
(4.97°C)
40.84°F
(4.91°C)
0.11°F
(0.06°C)
67th Coolest
Coolest since:
1917
61st Warmest
Warmest since:
2016
Ties: 1952
Nov 1973–Sep 1974
11-Month
40.21°F
(4.56°C)
39.92°F
(4.40°C)
0.29°F
(0.16°C)
76th Coolest
Coolest since:
1917
52nd Warmest
Warmest since:
2016
Ties: 1927
Oct 1973–Sep 1974
12-Month
40.47°F
(4.71°C)
40.05°F
(4.47°C)
0.42°F
(0.24°C)
83rd Coolest
Coolest since:
1917
45th Warmest
Warmest since:
2016
Ties: 1914
Apr 1973–Sep 1974
18-Month
44.31°F
(6.84°C)
44.09°F
(6.72°C)
0.22°F
(0.12°C)
74th Coolest
Coolest since:
1917
54th Warmest
Warmest since:
2016
Oct 1972–Sep 1974
24-Month
40.28°F
(4.60°C)
40.03°F
(4.46°C)
0.25°F
(0.14°C)
74th Coolest
Coolest since:
1918
53rd Warmest
Warmest since:
2017
Oct 1971–Sep 1974
36-Month
40.27°F
(4.59°C)
40.02°F
(4.46°C)
0.25°F
(0.13°C)
69th Coolest
Coolest since:
1918
57th Warmest
Warmest since:
2017, 2018
Oct 1970–Sep 1974
48-Month
40.05°F
(4.47°C)
40.01°F
(4.45°C)
0.04°F
(0.02°C)
60th Coolest
Coolest since:
1918
65th Warmest
Warmest since:
2018
Ties: 1958
Oct 1969–Sep 1974
60-Month
39.96°F
(4.42°C)
40.00°F
(4.44°C)
-0.04°F
(-0.02°C)
56th Coolest
Coolest since:
1920
68th Warmest
Warmest since:
2019, 2020
Ties: 1922, 1954

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