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.

Average Temperature Rankings, May 1988

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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
May 1988
1-Month
61.21°F
(16.23°C)
60.20°F
(15.67°C)
1.01°F
(0.56°C)
96th Coolest
Coolest since:
1917
33rd Warmest
Warmest since:
2018
Ties: 1911
Apr–May 1988
2-Month
56.52°F
(13.62°C)
55.63°F
(13.13°C)
0.89°F
(0.49°C)
94th Coolest
Coolest since:
1907
35th Warmest
Warmest since:
1934
Mar–May 1988
3-Month
51.81°F
(11.01°C)
50.92°F
(10.51°C)
0.89°F
(0.50°C)
91st Coolest
Coolest since:
1917
38th Warmest
Warmest since:
2012
Ties: 2009
Feb–May 1988
4-Month
47.28°F
(8.49°C)
46.64°F
(8.13°C)
0.64°F
(0.36°C)
88th Coolest
Coolest since:
1917
41st Warmest
Warmest since:
2012
Jan–May 1988
5-Month
43.38°F
(6.32°C)
43.34°F
(6.30°C)
0.04°F
(0.02°C)
62nd Coolest
Coolest since:
1917
67th Warmest
Warmest since:
2012
Ties: 2011
Dec 1987–May 1988
6-Month
41.91°F
(5.51°C)
41.57°F
(5.32°C)
0.34°F
(0.19°C)
76th Coolest
Coolest since:
1917
52nd Warmest
Warmest since:
2012
Nov 1987–May 1988
7-Month
42.20°F
(5.67°C)
41.59°F
(5.33°C)
0.61°F
(0.34°C)
87th Coolest
Coolest since:
1917
41st Warmest
Warmest since:
2012
Ties: 1914
Oct 1987–May 1988
8-Month
43.55°F
(6.42°C)
43.17°F
(6.21°C)
0.38°F
(0.21°C)
80th Coolest
Coolest since:
1917
48th Warmest
Warmest since:
2012
Sep 1987–May 1988
9-Month
45.96°F
(7.76°C)
45.57°F
(7.54°C)
0.39°F
(0.22°C)
77th Coolest
Coolest since:
1917
51st Warmest
Warmest since:
2012
Aug 1987–May 1988
10-Month
48.55°F
(9.19°C)
48.22°F
(9.01°C)
0.33°F
(0.18°C)
78th Coolest
Coolest since:
1917
50th Warmest
Warmest since:
2012
Jul 1987–May 1988
11-Month
50.80°F
(10.44°C)
50.53°F
(10.29°C)
0.27°F
(0.15°C)
79th Coolest
Coolest since:
1917
49th Warmest
Warmest since:
2012
Ties: 1942
Jun 1987–May 1988
12-Month
52.42°F
(11.34°C)
52.03°F
(11.13°C)
0.39°F
(0.21°C)
83rd Coolest
Coolest since:
1917
45th Warmest
Warmest since:
2012
Dec 1986–May 1988
18-Month
49.52°F
(9.73°C)
48.53°F
(9.18°C)
0.99°F
(0.55°C)
100th Coolest
Coolest since:
1918
27th Warmest
Warmest since:
2017
Ties: 1932
Jun 1986–May 1988
24-Month
52.75°F
(11.53°C)
52.01°F
(11.12°C)
0.74°F
(0.41°C)
95th Coolest
Coolest since:
1918
32nd Warmest
Warmest since:
2017
Ties: 1990
Jun 1985–May 1988
36-Month
52.65°F
(11.47°C)
52.00°F
(11.11°C)
0.65°F
(0.36°C)
94th Coolest
Coolest since:
1918
32nd Warmest
Warmest since:
2018
Jun 1984–May 1988
48-Month
52.50°F
(11.39°C)
51.99°F
(11.11°C)
0.51°F
(0.28°C)
84th Coolest
Coolest since:
1918
41st Warmest
Warmest since:
2018
Jun 1983–May 1988
60-Month
52.36°F
(11.31°C)
51.99°F
(11.11°C)
0.37°F
(0.20°C)
79th Coolest
Coolest since:
1920
45th Warmest
Warmest since:
2020

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