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, July 1931

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
July 1931
1-Month		62.08°F
(16.71°C)		60.54°F
(15.86°C)		1.54°F
(0.85°C)		110th Coolest
Coolest since:
1924
19th Warmest
Warmest since:
2022
Jun–Jul 1931
2-Month		59.62°F
(15.34°C)		58.08°F
(14.49°C)		1.54°F
(0.85°C)		113th Coolest
Coolest since:
1915
16th Warmest
Warmest since:
2021
May–Jul 1931
3-Month		55.06°F
(12.81°C)		54.54°F
(12.52°C)		0.52°F
(0.29°C)		79th Coolest
Coolest since:
1907
50th Warmest
Warmest since:
2018
Apr–Jul 1931
4-Month		50.80°F
(10.44°C)		50.56°F
(10.31°C)		0.24°F
(0.13°C)		63rd Coolest
Coolest since:
1907
66th Warmest
Warmest since:
2012
Mar–Jul 1931
5-Month		46.30°F
(7.94°C)		46.44°F
(8.02°C)		-0.14°F
(-0.08°C)		48th Coolest
Coolest since:
1917
81st Warmest
Warmest since:
2012
Ties: 1948, 1955
Feb–Jul 1931
6-Month		43.15°F
(6.19°C)		42.50°F
(5.83°C)		0.65°F
(0.36°C)		90th Coolest
Coolest since:
1917
39th Warmest
Warmest since:
2012
Jan–Jul 1931
7-Month		40.17°F
(4.54°C)		39.25°F
(4.03°C)		0.92°F
(0.51°C)		96th Coolest
Coolest since:
1917
33rd Warmest
Warmest since:
2012
Dec 1930–Jul 1931
8-Month		37.82°F
(3.23°C)		37.18°F
(2.88°C)		0.64°F
(0.35°C)		88th Coolest
Coolest since:
1917
40th Warmest
Warmest since:
2012
Nov 1930–Jul 1931
9-Month		36.93°F
(2.74°C)		36.46°F
(2.48°C)		0.47°F
(0.26°C)		84th Coolest
Coolest since:
1917
44th Warmest
Warmest since:
2012
Ties: 1919
Oct 1930–Jul 1931
10-Month		37.24°F
(2.91°C)		36.96°F
(2.76°C)		0.28°F
(0.15°C)		73rd Coolest
Coolest since:
1917
55th Warmest
Warmest since:
2016
Ties: 1976
Sep 1930–Jul 1931
11-Month		38.63°F
(3.68°C)		38.32°F
(3.51°C)		0.31°F
(0.17°C)		77th Coolest
Coolest since:
1917
51st Warmest
Warmest since:
2016
Aug 1930–Jul 1931
12-Month		40.35°F
(4.64°C)		40.04°F
(4.47°C)		0.31°F
(0.17°C)		76th Coolest
Coolest since:
1917
52nd Warmest
Warmest since:
2016
Feb 1930–Jul 1931
18-Month		41.39°F
(5.22°C)		40.86°F
(4.92°C)		0.53°F
(0.30°C)		87th Coolest
Coolest since:
1917
41st Warmest
Warmest since:
2017
Aug 1929–Jul 1931
24-Month		40.01°F
(4.45°C)		40.04°F
(4.47°C)		-0.03°F
(-0.02°C)		56th Coolest
Coolest since:
1918
71st Warmest
Warmest since:
2017
Ties: 1994
Aug 1928–Jul 1931
36-Month		39.68°F
(4.27°C)		40.02°F
(4.46°C)		-0.34°F
(-0.19°C)		26th Coolest
Coolest since:
1918
100th Warmest
Warmest since:
2017
Ties: 1915
Aug 1927–Jul 1931
48-Month		39.70°F
(4.28°C)		40.01°F
(4.45°C)		-0.31°F
(-0.17°C)		27th Coolest
Coolest since:
1918
98th Warmest
Warmest since:
2018
Ties: 1967, 1972
Aug 1926–Jul 1931
60-Month		39.88°F
(4.38°C)		40.00°F
(4.44°C)		-0.12°F
(-0.06°C)		45th Coolest
Coolest since:
1920
79th Warmest
Warmest since:
2020
Ties: 1947, 1978

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