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, May 1918

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 1918
1-Month
47.80°F
(8.78°C)
47.44°F
(8.58°C)
0.36°F
(0.20°C)
72nd Coolest
Coolest since:
1917
57th Warmest
Warmest since:
2018
Apr–May 1918
2-Month
42.26°F
(5.70°C)
43.02°F
(6.12°C)
-0.76°F
(-0.42°C)
24th Coolest
Coolest since:
1907
105th Warmest
Warmest since:
2012
Ties: 1923, 1995
Mar–May 1918
3-Month
39.24°F
(4.02°C)
38.68°F
(3.71°C)
0.56°F
(0.31°C)
81st Coolest
Coolest since:
1917
48th Warmest
Warmest since:
2012
Feb–May 1918
4-Month
34.87°F
(1.59°C)
34.72°F
(1.51°C)
0.15°F
(0.08°C)
67th Coolest
Coolest since:
1917
62nd Warmest
Warmest since:
2012
Jan–May 1918
5-Month
30.55°F
(-0.81°C)
31.72°F
(-0.16°C)
-1.17°F
(-0.65°C)
16th Coolest
Coolest since:
1917
113th Warmest
Warmest since:
2012
Dec 1917–May 1918
6-Month
28.56°F
(-1.91°C)
30.21°F
(-0.99°C)
-1.65°F
(-0.92°C)
7th Coolest
Coolest since:
1917
121st Warmest
Warmest since:
2012
Nov 1917–May 1918
7-Month
28.92°F
(-1.71°C)
30.29°F
(-0.95°C)
-1.37°F
(-0.76°C)
10th Coolest
Coolest since:
1917
118th Warmest
Warmest since:
2012
Oct 1917–May 1918
8-Month
29.86°F
(-1.19°C)
31.67°F
(-0.18°C)
-1.81°F
(-1.01°C)
5th Coolest
Coolest since:
1917
123rd Warmest
Warmest since:
2016, 2017
Sep 1917–May 1918
9-Month
32.22°F
(0.12°C)
33.92°F
(1.07°C)
-1.70°F
(-0.95°C)
4th Coolest
Coolest since:
1917
124th Warmest
Warmest since:
2016
Ties: 1912
Aug 1917–May 1918
10-Month
34.75°F
(1.53°C)
36.43°F
(2.46°C)
-1.68°F
(-0.93°C)
3rd Coolest
Coolest since:
1917
125th Warmest
Warmest since:
2017
Jul 1917–May 1918
11-Month
37.16°F
(2.87°C)
38.63°F
(3.68°C)
-1.47°F
(-0.81°C)
6th Coolest
Coolest since:
1917
122nd Warmest
Warmest since:
2017
Jun 1917–May 1918
12-Month
38.49°F
(3.61°C)
40.04°F
(4.47°C)
-1.55°F
(-0.86°C)
4th Coolest
Coolest since:
1917
124th Warmest
Warmest since:
2017
Dec 1916–May 1918
18-Month
34.57°F
(1.43°C)
36.76°F
(2.64°C)
-2.19°F
(-1.21°C)
1st Coolest
Coolest since:
1918
126th Warmest
Warmest since:
2017
Jun 1916–May 1918
24-Month
38.05°F
(3.36°C)
40.04°F
(4.47°C)
-1.99°F
(-1.11°C)
1st Coolest
Coolest since:
1918
126th Warmest
Warmest since:
2017
Jun 1915–May 1918
36-Month
38.48°F
(3.60°C)
40.02°F
(4.46°C)
-1.54°F
(-0.86°C)
1st Coolest
Coolest since:
1918
125th Warmest
Warmest since:
2017
Jun 1914–May 1918
48-Month
38.86°F
(3.81°C)
40.01°F
(4.45°C)
-1.15°F
(-0.64°C)
1st Coolest
Coolest since:
1918
124th Warmest
Warmest since:
2018
Jun 1913–May 1918
60-Month
39.15°F
(3.97°C)
40.00°F
(4.44°C)
-0.85°F
(-0.47°C)
2nd Coolest
Coolest since:
1920
122nd Warmest
Warmest since:
2020

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