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 1900

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
April 1900
1-Month
39.87°F
(4.37°C)
38.61°F
(3.67°C)
1.26°F
(0.70°C)
97th Coolest
Coolest since:
1920
32nd Warmest
Warmest since:
1981
Mar–Apr 1900
2-Month
34.70°F
(1.50°C)
34.30°F
(1.28°C)
0.40°F
(0.22°C)
72nd Coolest
Coolest since:
1950
57th Warmest
Warmest to Date
2012
Feb–Apr 1900
3-Month
29.59°F
(-1.34°C)
30.47°F
(-0.85°C)
-0.88°F
(-0.49°C)
36th Coolest
Coolest since:
1899
93rd Warmest
Warmest since:
2012
Jan–Apr 1900
4-Month
28.18°F
(-2.12°C)
27.79°F
(-2.34°C)
0.39°F
(0.22°C)
75th Coolest
Coolest since:
1912
54th Warmest
Warmest to Date
2012
Dec 1899–Apr 1900
5-Month
26.88°F
(-2.84°C)
26.76°F
(-2.91°C)
0.12°F
(0.07°C)
61st Coolest
Coolest since:
1899
67th Warmest
Warmest since:
2012
Nov 1899–Apr 1900
6-Month
28.06°F
(-2.19°C)
27.42°F
(-2.54°C)
0.64°F
(0.35°C)
82nd Coolest
Coolest since:
1899
46th Warmest
Warmest to Date
2017
Oct 1899–Apr 1900
7-Month
30.06°F
(-1.08°C)
29.42°F
(-1.43°C)
0.64°F
(0.35°C)
83rd Coolest
Coolest since:
1899
45th Warmest
Warmest to Date
2017
Sep 1899–Apr 1900
8-Month
32.63°F
(0.35°C)
32.23°F
(0.13°C)
0.40°F
(0.22°C)
78th Coolest
Coolest since:
1917
50th Warmest
Warmest to Date
2016
Aug 1899–Apr 1900
9-Month
35.52°F
(1.96°C)
35.21°F
(1.78°C)
0.31°F
(0.18°C)
74th Coolest
Coolest since:
1917
54th Warmest
Warmest to Date
2017
Ties: 1901
Jul 1899–Apr 1900
10-Month
37.96°F
(3.31°C)
37.74°F
(3.19°C)
0.22°F
(0.12°C)
71st Coolest
Coolest since:
1917
57th Warmest
Warmest to Date
2017
Ties: 1961, 1967
Jun 1899–Apr 1900
11-Month
39.57°F
(4.21°C)
39.37°F
(4.09°C)
0.20°F
(0.12°C)
70th Coolest
Coolest since:
1917
58th Warmest
Warmest to Date
2017
May 1899–Apr 1900
12-Month
40.24°F
(4.58°C)
40.04°F
(4.47°C)
0.20°F
(0.11°C)
71st Coolest
Coolest since:
1917
57th Warmest
Warmest to Date
2016
Ties: 1978
Nov 1898–Apr 1900
18-Month
34.85°F
(1.58°C)
35.83°F
(2.13°C)
-0.98°F
(-0.55°C)
8th Coolest
Coolest since:
1918
119th Warmest
Warmest since:
2017
May 1898–Apr 1900
24-Month
39.33°F
(4.07°C)
40.03°F
(4.46°C)
-0.70°F
(-0.39°C)
11th Coolest
Coolest since:
1918
116th Warmest
Warmest since:
2017
Ties: 1977
May 1897–Apr 1900
36-Month
39.54°F
(4.19°C)
40.02°F
(4.46°C)
-0.48°F
(-0.27°C)
19th Coolest
Coolest since:
1918
107th Warmest
Warmest since:
2017
May 1896–Apr 1900
48-Month
39.66°F
(4.26°C)
40.01°F
(4.45°C)
-0.35°F
(-0.19°C)
25th Coolest
Coolest since:
1918
100th Warmest
Warmest to Date
2019
Ties: 1916, 1968
May 1895–Apr 1900
60-Month
39.55°F
(4.19°C)
40.00°F
(4.44°C)
-0.45°F
(-0.25°C)
14th Coolest
Coolest to Date
1920
110th Warmest
Warmest to Date
2020

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