Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Delaware

Average Temperature Rankings, October 1939

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
October 1939
1-Month
56.7°F
(13.7°C)
56.4°F
(13.6°C)
0.3°F
(0.1°C)
60th Coolest
Coolest since:
1907
69th Warmest
Warmest since:
2007
Sep–Oct 1939
2-Month
62.4°F
(16.9°C)
61.9°F
(16.6°C)
0.5°F
(0.3°C)
67th Coolest
Coolest since:
1917
62nd Warmest
Warmest since:
2007
Ties: 1977
Aug–Oct 1939
3-Month
66.9°F
(19.4°C)
65.8°F
(18.8°C)
1.1°F
(0.6°C)
88th Coolest
Coolest since:
1909, 1917
41st Warmest
Warmest since:
2018
Ties: 1920, 1975, 1977, 1989, 1999, 2001, 2009
Jul–Oct 1939
4-Month
68.8°F
(20.4°C)
68.3°F
(20.2°C)
0.5°F
(0.2°C)
74th Coolest
Coolest since:
1909
55th Warmest
Warmest since:
2016
Ties: 1942, 1951, 1975, 2009
Jun–Oct 1939
5-Month
69.6°F
(20.9°C)
68.7°F
(20.4°C)
0.9°F
(0.5°C)
82nd Coolest
Coolest since:
1907
47th Warmest
Warmest since:
2010
Ties: 1906, 1987, 2003
May–Oct 1939
6-Month
68.6°F
(20.3°C)
67.7°F
(19.8°C)
0.9°F
(0.5°C)
89th Coolest
Coolest since:
1907
40th Warmest
Warmest since:
2010, 2018
Ties: 1953, 1987, 1989
Apr–Oct 1939
7-Month
66.1°F
(18.9°C)
65.4°F
(18.6°C)
0.7°F
(0.3°C)
82nd Coolest
Coolest since:
1907
47th Warmest
Warmest since:
2019
Ties: 1944, 1987, 1989, 1994
Mar–Oct 1939
8-Month
63.2°F
(17.3°C)
62.6°F
(17.0°C)
0.6°F
(0.3°C)
81st Coolest
Coolest since:
1907
48th Warmest
Warmest since:
2010
Ties: 1910, 1913, 1989, 1993, 1994, 2001
Feb–Oct 1939
9-Month
60.7°F
(15.9°C)
59.4°F
(15.2°C)
1.3°F
(0.7°C)
96th Coolest
Coolest since:
1907
33rd Warmest
Warmest since:
2012
Ties: 1973, 2009
Jan–Oct 1939
10-Month
58.0°F
(14.4°C)
56.8°F
(13.8°C)
1.2°F
(0.6°C)
98th Coolest
Coolest since:
1940
31st Warmest
Warmest since:
2012
Ties: 1933, 1955
Dec 1938–Oct 1939
11-Month
56.1°F
(13.4°C)
55.0°F
(12.8°C)
1.1°F
(0.6°C)
92nd Coolest
Coolest since:
1904
36th Warmest
Warmest since:
2012
Ties: 1919
Nov 1938–Oct 1939
12-Month
55.4°F
(13.0°C)
54.2°F
(12.3°C)
1.2°F
(0.7°C)
95th Coolest
Coolest since:
1904
33rd Warmest
Warmest since:
2012
Ties: 1957
May 1938–Oct 1939
18-Month
59.4°F
(15.2°C)
58.7°F
(14.8°C)
0.7°F
(0.4°C)
91st Coolest
Coolest since:
1904
37th Warmest
Warmest since:
2012
Ties: 1955, 1960, 1974, 1983, 1989
Nov 1937–Oct 1939
24-Month
55.0°F
(12.8°C)
54.2°F
(12.3°C)
0.8°F
(0.5°C)
89th Coolest
Coolest since:
1905
38th Warmest
Warmest since:
2017
Ties: 1996, 2004
Nov 1936–Oct 1939
36-Month
54.8°F
(12.7°C)
54.2°F
(12.3°C)
0.6°F
(0.4°C)
82nd Coolest
Coolest since:
1905
44th Warmest
Warmest since:
2018
Ties: 1988
Nov 1935–Oct 1939
48-Month
54.5°F
(12.5°C)
54.2°F
(12.3°C)
0.3°F
(0.2°C)
70th Coolest
Coolest since:
1907
55th Warmest
Warmest since:
2019
Ties: 1922, 1944, 1945, 1947, 1960
Nov 1934–Oct 1939
60-Month
54.3°F
(12.4°C)
54.2°F
(12.3°C)
0.1°F
(0.1°C)
66th Coolest
Coolest since:
1905, 1907, 1908
58th Warmest
Warmest since:
2020
Ties: 1923, 1925, 1959, 1961, 1974, 1984, 1985

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