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 1911

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
April 1911
1-Month
37.87°F
(3.26°C)
38.61°F
(3.67°C)
-0.74°F
(-0.41°C)
33rd Coolest
Coolest since:
1920
96th Warmest
Warmest since:
1981
Ties: 1945
Mar–Apr 1911
2-Month
34.81°F
(1.56°C)
34.30°F
(1.28°C)
0.51°F
(0.28°C)
78th Coolest
Coolest since:
1950
51st Warmest
Warmest since:
2012
Feb–Apr 1911
3-Month
30.96°F
(-0.58°C)
30.48°F
(-0.84°C)
0.48°F
(0.26°C)
78th Coolest
Coolest since:
1899
51st Warmest
Warmest since:
2012
Jan–Apr 1911
4-Month
28.82°F
(-1.77°C)
27.79°F
(-2.34°C)
1.03°F
(0.57°C)
90th Coolest
Coolest since:
1912
39th Warmest
Warmest since:
2012
Dec 1910–Apr 1911
5-Month
27.43°F
(-2.54°C)
26.76°F
(-2.91°C)
0.67°F
(0.37°C)
83rd Coolest
Coolest since:
1899
45th Warmest
Warmest since:
2012
Ties: 1919
Nov 1910–Apr 1911
6-Month
27.89°F
(-2.28°C)
27.42°F
(-2.54°C)
0.47°F
(0.26°C)
76th Coolest
Coolest since:
1899
52nd Warmest
Warmest since:
2017
Oct 1910–Apr 1911
7-Month
29.93°F
(-1.15°C)
29.42°F
(-1.43°C)
0.51°F
(0.28°C)
79th Coolest
Coolest since:
1899
49th Warmest
Warmest since:
2017
Ties: 1914
Sep 1910–Apr 1911
8-Month
32.79°F
(0.44°C)
32.23°F
(0.13°C)
0.56°F
(0.31°C)
84th Coolest
Coolest since:
1917
44th Warmest
Warmest since:
2016
Ties: 2011
Aug 1910–Apr 1911
9-Month
35.56°F
(1.98°C)
35.21°F
(1.78°C)
0.35°F
(0.20°C)
76th Coolest
Coolest since:
1917
52nd Warmest
Warmest since:
2017
Ties: 1953
Jul 1910–Apr 1911
10-Month
38.07°F
(3.37°C)
37.75°F
(3.19°C)
0.32°F
(0.18°C)
81st Coolest
Coolest since:
1917
47th Warmest
Warmest since:
2017
Ties: 1908
Jun 1910–Apr 1911
11-Month
39.58°F
(4.21°C)
39.38°F
(4.10°C)
0.20°F
(0.11°C)
73rd Coolest
Coolest since:
1917
55th Warmest
Warmest since:
2017
Ties: 1958, 1961
May 1910–Apr 1911
12-Month
40.11°F
(4.51°C)
40.04°F
(4.47°C)
0.07°F
(0.04°C)
62nd Coolest
Coolest since:
1917
66th Warmest
Warmest since:
2016
Nov 1909–Apr 1911
18-Month
35.79°F
(2.11°C)
35.82°F
(2.12°C)
-0.03°F
(-0.01°C)
56th Coolest
Coolest since:
1918
71st Warmest
Warmest since:
2017
May 1909–Apr 1911
24-Month
39.86°F
(4.37°C)
40.04°F
(4.47°C)
-0.18°F
(-0.10°C)
43rd Coolest
Coolest since:
1918
84th Warmest
Warmest since:
2017
Ties: 1920, 1964
May 1908–Apr 1911
36-Month
39.78°F
(4.32°C)
40.02°F
(4.46°C)
-0.24°F
(-0.14°C)
40th Coolest
Coolest since:
1918
86th Warmest
Warmest since:
2017
May 1907–Apr 1911
48-Month
39.78°F
(4.32°C)
40.00°F
(4.44°C)
-0.22°F
(-0.12°C)
37th Coolest
Coolest since:
1918
88th Warmest
Warmest since:
2019
Ties: 1902, 1926
May 1906–Apr 1911
60-Month
39.92°F
(4.40°C)
40.00°F
(4.44°C)
-0.08°F
(-0.04°C)
52nd Coolest
Coolest since:
1920
72nd Warmest
Warmest to Date
2020

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