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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