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, July 1978

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Warmest/Coolest
Since
Record
July 1978
1-Month
73.80°F
(23.22°C)
73.61°F
(23.12°C)
0.19°F
(0.10°C)
64th Coolest
Coolest since:
1915
65th Warmest
Warmest since:
1936
Jun–Jul 1978
2-Month
71.37°F
(21.87°C)
71.05°F
(21.69°C)
0.32°F
(0.18°C)
66th Coolest
Coolest since:
1915
63rd Warmest
Warmest since:
2021
Ties: 1961
May–Jul 1978
3-Month
67.49°F
(19.72°C)
67.43°F
(19.68°C)
0.06°F
(0.04°C)
54th Coolest
Coolest since:
1907
75th Warmest
Warmest since:
2018
Apr–Jul 1978
4-Month
63.52°F
(17.51°C)
63.34°F
(17.41°C)
0.18°F
(0.10°C)
57th Coolest
Coolest since:
1907
72nd Warmest
Warmest since:
1934
Ties: 1962
Mar–Jul 1978
5-Month
59.07°F
(15.04°C)
58.97°F
(14.98°C)
0.10°F
(0.06°C)
62nd Coolest
Coolest since:
1917
67th Warmest
Warmest since:
2012
Ties: 1941, 1942
Feb–Jul 1978
6-Month
53.89°F
(12.16°C)
54.78°F
(12.66°C)
-0.89°F
(-0.50°C)
24th Coolest
Coolest since:
1917
105th Warmest
Warmest since:
2012
Jan–Jul 1978
7-Month
49.89°F
(9.94°C)
51.26°F
(10.70°C)
-1.37°F
(-0.76°C)
11th Coolest
Coolest since:
1912
118th Warmest
Warmest since:
2012
Dec 1977–Jul 1978
8-Month
47.81°F
(8.78°C)
48.94°F
(9.41°C)
-1.13°F
(-0.63°C)
11th Coolest
Coolest since:
1917
117th Warmest
Warmest since:
2012
Nov 1977–Jul 1978
9-Month
47.26°F
(8.48°C)
48.14°F
(8.97°C)
-0.88°F
(-0.49°C)
14th Coolest
Coolest since:
1912
114th Warmest
Warmest since:
2012
Ties: 1960, 1993
Oct 1977–Jul 1978
10-Month
47.94°F
(8.86°C)
48.74°F
(9.30°C)
-0.80°F
(-0.44°C)
17th Coolest
Coolest since:
1917
111th Warmest
Warmest since:
2012
Sep 1977–Jul 1978
11-Month
49.57°F
(9.76°C)
50.20°F
(10.11°C)
-0.63°F
(-0.35°C)
24th Coolest
Coolest since:
1917
104th Warmest
Warmest since:
2012
Aug 1977–Jul 1978
12-Month
51.42°F
(10.79°C)
52.03°F
(11.13°C)
-0.61°F
(-0.34°C)
22nd Coolest
Coolest since:
1917
106th Warmest
Warmest since:
2012
Ties: 1977
Feb 1977–Jul 1978
18-Month
53.15°F
(11.75°C)
52.94°F
(11.63°C)
0.21°F
(0.12°C)
73rd Coolest
Coolest since:
1917
55th Warmest
Warmest since:
2017
Aug 1976–Jul 1978
24-Month
51.42°F
(10.79°C)
52.02°F
(11.12°C)
-0.60°F
(-0.33°C)
18th Coolest
Coolest since:
1913
109th Warmest
Warmest since:
2017
Aug 1975–Jul 1978
36-Month
51.76°F
(10.98°C)
52.00°F
(11.11°C)
-0.24°F
(-0.13°C)
35th Coolest
Coolest since:
1917
91st Warmest
Warmest since:
2018
Ties: 1926, 1972
Aug 1974–Jul 1978
48-Month
51.63°F
(10.91°C)
51.99°F
(11.11°C)
-0.36°F
(-0.20°C)
24th Coolest
Coolest since:
1918
101st Warmest
Warmest since:
2018
Ties: 1973
Aug 1973–Jul 1978
60-Month
51.87°F
(11.04°C)
51.98°F
(11.10°C)
-0.11°F
(-0.06°C)
43rd Coolest
Coolest since:
1920
81st Warmest
Warmest since:
2020
Ties: 1922

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