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, October 1988

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Warmest/Coolest
Since
Record
October 1988
1-Month
40.89°F
(4.94°C)
41.41°F
(5.23°C)
-0.52°F
(-0.29°C)
39th Coolest
Coolest since:
1917
90th Warmest
Warmest since:
1947
Sep–Oct 1988
2-Month
46.25°F
(7.92°C)
46.66°F
(8.14°C)
-0.41°F
(-0.22°C)
39th Coolest
Coolest since:
1917
90th Warmest
Warmest since:
2015
Aug–Oct 1988
3-Month
50.98°F
(10.54°C)
50.79°F
(10.44°C)
0.19°F
(0.10°C)
67th Coolest
Coolest since:
1917
62nd Warmest
Warmest since:
2016
Jul–Oct 1988
4-Month
53.58°F
(11.99°C)
53.23°F
(11.79°C)
0.35°F
(0.20°C)
75th Coolest
Coolest since:
1976
54th Warmest
Warmest since:
2021
Jun–Oct 1988
5-Month
54.21°F
(12.34°C)
53.71°F
(12.06°C)
0.50°F
(0.28°C)
81st Coolest
Coolest since:
1917
48th Warmest
Warmest since:
2021
May–Oct 1988
6-Month
53.09°F
(11.72°C)
52.66°F
(11.48°C)
0.43°F
(0.24°C)
81st Coolest
Coolest since:
1917
48th Warmest
Warmest since:
2018
Ties: 1940
Apr–Oct 1988
7-Month
50.98°F
(10.54°C)
50.65°F
(10.36°C)
0.33°F
(0.18°C)
76th Coolest
Coolest since:
1917
53rd Warmest
Warmest since:
2015
Ties: 1940
Mar–Oct 1988
8-Month
48.34°F
(9.08°C)
48.07°F
(8.93°C)
0.27°F
(0.15°C)
71st Coolest
Coolest since:
1917
58th Warmest
Warmest since:
2016
Ties: 1911, 1937
Feb–Oct 1988
9-Month
45.38°F
(7.43°C)
45.27°F
(7.37°C)
0.11°F
(0.06°C)
67th Coolest
Coolest since:
1917
62nd Warmest
Warmest since:
2016
Jan–Oct 1988
10-Month
42.59°F
(5.88°C)
42.71°F
(5.95°C)
-0.12°F
(-0.07°C)
53rd Coolest
Coolest since:
1917
76th Warmest
Warmest since:
2016
Dec 1987–Oct 1988
11-Month
41.01°F
(5.01°C)
40.89°F
(4.94°C)
0.12°F
(0.07°C)
69th Coolest
Coolest since:
1917
59th Warmest
Warmest since:
2016
Ties: 1989
Nov 1987–Oct 1988
12-Month
40.35°F
(4.64°C)
40.04°F
(4.47°C)
0.31°F
(0.17°C)
78th Coolest
Coolest since:
1917
50th Warmest
Warmest since:
2016
May 1987–Oct 1988
18-Month
44.59°F
(6.99°C)
44.25°F
(6.81°C)
0.34°F
(0.18°C)
80th Coolest
Coolest since:
1917
48th Warmest
Warmest since:
2016
Nov 1986–Oct 1988
24-Month
40.76°F
(4.87°C)
40.04°F
(4.47°C)
0.72°F
(0.40°C)
96th Coolest
Coolest since:
1917, 1918
31st Warmest
Warmest since:
2017
Ties: 1939
Nov 1985–Oct 1988
36-Month
40.86°F
(4.92°C)
40.02°F
(4.46°C)
0.84°F
(0.46°C)
100th Coolest
Coolest since:
1918
26th Warmest
Warmest to Date
2017
Nov 1984–Oct 1988
48-Month
40.68°F
(4.82°C)
40.01°F
(4.45°C)
0.67°F
(0.37°C)
92nd Coolest
Coolest since:
1918
33rd Warmest
Warmest to Date
2018
Nov 1983–Oct 1988
60-Month
40.52°F
(4.73°C)
40.00°F
(4.44°C)
0.52°F
(0.29°C)
87th Coolest
Coolest since:
1920
37th Warmest
Warmest since:
2020

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