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, April 1971

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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
April 1971
1-Month
37.06°F
(2.81°C)
38.61°F
(3.67°C)
-1.55°F
(-0.86°C)
17th Coolest
Coolest since:
1920
112th Warmest
Warmest since:
1981
Mar–Apr 1971
2-Month
32.40°F
(0.22°C)
34.30°F
(1.28°C)
-1.90°F
(-1.06°C)
15th Coolest
Coolest since:
1950
114th Warmest
Warmest since:
2012
Feb–Apr 1971
3-Month
29.05°F
(-1.64°C)
30.48°F
(-0.84°C)
-1.43°F
(-0.80°C)
19th Coolest
Coolest since:
1899
110th Warmest
Warmest since:
2012
Ties: 1979
Jan–Apr 1971
4-Month
26.50°F
(-3.06°C)
27.80°F
(-2.33°C)
-1.30°F
(-0.73°C)
22nd Coolest
Coolest since:
1912
107th Warmest
Warmest since:
2012
Ties: 1963
Dec 1970–Apr 1971
5-Month
25.81°F
(-3.44°C)
26.76°F
(-2.91°C)
-0.95°F
(-0.53°C)
28th Coolest
Coolest since:
1899
100th Warmest
Warmest since:
2012
Nov 1970–Apr 1971
6-Month
26.64°F
(-2.98°C)
27.42°F
(-2.54°C)
-0.78°F
(-0.44°C)
25th Coolest
Coolest since:
1899
103rd Warmest
Warmest since:
2017
Oct 1970–Apr 1971
7-Month
28.61°F
(-1.88°C)
29.42°F
(-1.43°C)
-0.81°F
(-0.45°C)
23rd Coolest
Coolest since:
1899
105th Warmest
Warmest since:
2017
Sep 1970–Apr 1971
8-Month
31.52°F
(-0.27°C)
32.23°F
(0.13°C)
-0.71°F
(-0.40°C)
23rd Coolest
Coolest since:
1917
105th Warmest
Warmest since:
2016
Aug 1970–Apr 1971
9-Month
34.67°F
(1.48°C)
35.21°F
(1.78°C)
-0.54°F
(-0.30°C)
25th Coolest
Coolest since:
1917
103rd Warmest
Warmest since:
2017
Jul 1970–Apr 1971
10-Month
37.28°F
(2.93°C)
37.75°F
(3.19°C)
-0.47°F
(-0.26°C)
29th Coolest
Coolest since:
1917
99th Warmest
Warmest since:
2017
Jun 1970–Apr 1971
11-Month
38.97°F
(3.87°C)
39.37°F
(4.09°C)
-0.40°F
(-0.22°C)
30th Coolest
Coolest since:
1917
98th Warmest
Warmest since:
2017
Ties: 1963
May 1970–Apr 1971
12-Month
39.70°F
(4.28°C)
40.04°F
(4.47°C)
-0.34°F
(-0.19°C)
32nd Coolest
Coolest since:
1917
96th Warmest
Warmest since:
2016
Ties: 1928
Nov 1969–Apr 1971
18-Month
35.32°F
(1.84°C)
35.82°F
(2.12°C)
-0.50°F
(-0.28°C)
24th Coolest
Coolest since:
1918
103rd Warmest
Warmest since:
2017
Ties: 1906, 1963
May 1969–Apr 1971
24-Month
39.68°F
(4.27°C)
40.04°F
(4.47°C)
-0.36°F
(-0.20°C)
31st Coolest
Coolest since:
1918
96th Warmest
Warmest since:
2017
Ties: 1956
May 1968–Apr 1971
36-Month
39.53°F
(4.18°C)
40.02°F
(4.46°C)
-0.49°F
(-0.28°C)
17th Coolest
Coolest since:
1918
109th Warmest
Warmest since:
2017
Ties: 1952
May 1967–Apr 1971
48-Month
39.49°F
(4.16°C)
40.01°F
(4.45°C)
-0.52°F
(-0.29°C)
13th Coolest
Coolest since:
1918
112th Warmest
Warmest since:
2019
Ties: 1915
May 1966–Apr 1971
60-Month
39.60°F
(4.22°C)
39.99°F
(4.44°C)
-0.39°F
(-0.22°C)
19th Coolest
Coolest since:
1920
105th Warmest
Warmest since:
2020

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