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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