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, May 1975

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 1975
1-Month
47.79°F
(8.77°C)
47.44°F
(8.58°C)
0.35°F
(0.19°C)
71st Coolest
Coolest since:
1917
58th Warmest
Warmest since:
2018
Ties: 1980
Apr–May 1975
2-Month
41.71°F
(5.39°C)
43.03°F
(6.13°C)
-1.32°F
(-0.74°C)
12th Coolest
Coolest since:
1907
117th Warmest
Warmest since:
2012
Mar–May 1975
3-Month
37.10°F
(2.83°C)
38.68°F
(3.71°C)
-1.58°F
(-0.88°C)
9th Coolest
Coolest since:
1917
120th Warmest
Warmest since:
2012
Feb–May 1975
4-Month
33.44°F
(0.80°C)
34.72°F
(1.51°C)
-1.28°F
(-0.71°C)
15th Coolest
Coolest since:
1917
114th Warmest
Warmest since:
2012
Ties: 1901
Jan–May 1975
5-Month
31.11°F
(-0.49°C)
31.72°F
(-0.16°C)
-0.61°F
(-0.33°C)
40th Coolest
Coolest since:
1917
89th Warmest
Warmest since:
2012
Ties: 1903, 1969
Dec 1974–May 1975
6-Month
29.93°F
(-1.15°C)
30.21°F
(-0.99°C)
-0.28°F
(-0.16°C)
48th Coolest
Coolest since:
1917
80th Warmest
Warmest since:
2012
Nov 1974–May 1975
7-Month
30.20°F
(-1.00°C)
30.28°F
(-0.96°C)
-0.08°F
(-0.04°C)
58th Coolest
Coolest since:
1917
70th Warmest
Warmest since:
2012
Oct 1974–May 1975
8-Month
31.53°F
(-0.26°C)
31.68°F
(-0.18°C)
-0.15°F
(-0.08°C)
51st Coolest
Coolest since:
1917
77th Warmest
Warmest since:
2016, 2017
Ties: 1902
Sep 1974–May 1975
9-Month
33.49°F
(0.83°C)
33.92°F
(1.07°C)
-0.43°F
(-0.24°C)
32nd Coolest
Coolest since:
1917
96th Warmest
Warmest since:
2016
Aug 1974–May 1975
10-Month
35.90°F
(2.17°C)
36.43°F
(2.46°C)
-0.53°F
(-0.29°C)
25th Coolest
Coolest since:
1917
103rd Warmest
Warmest since:
2017
Ties: 1950
Jul 1974–May 1975
11-Month
38.15°F
(3.42°C)
38.62°F
(3.68°C)
-0.47°F
(-0.26°C)
27th Coolest
Coolest since:
1917
101st Warmest
Warmest since:
2017
Ties: 1910
Jun 1974–May 1975
12-Month
39.54°F
(4.19°C)
40.04°F
(4.47°C)
-0.50°F
(-0.28°C)
27th Coolest
Coolest since:
1917
101st Warmest
Warmest since:
2017
Dec 1973–May 1975
18-Month
36.76°F
(2.64°C)
36.76°F
(2.64°C)
0.00°F
(0.00°C)
58th Coolest
Coolest since:
1918
69th Warmest
Warmest since:
2017
Jun 1973–May 1975
24-Month
40.25°F
(4.58°C)
40.03°F
(4.46°C)
0.22°F
(0.12°C)
69th Coolest
Coolest since:
1918
58th Warmest
Warmest since:
2017
Ties: 1940
Jun 1972–May 1975
36-Month
40.14°F
(4.52°C)
40.02°F
(4.46°C)
0.12°F
(0.06°C)
66th Coolest
Coolest since:
1918
60th Warmest
Warmest since:
2017
Ties: 1922
Jun 1971–May 1975
48-Month
40.18°F
(4.54°C)
40.00°F
(4.44°C)
0.18°F
(0.10°C)
71st Coolest
Coolest since:
1918
54th Warmest
Warmest since:
2018
Jun 1970–May 1975
60-Month
40.05°F
(4.47°C)
40.00°F
(4.44°C)
0.05°F
(0.03°C)
64th Coolest
Coolest since:
1920
60th Warmest
Warmest since:
2020
Ties: 1956

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