Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of September 2019. For more information, please see Climatological Rankings.


Delaware

Average Temperature Rankings, September 1978

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Coolest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1978
1-Month
66.8°F
(19.3°C)
67.4°F
(19.7°C)
-0.6°F
(-0.4°C)
41st Coolest Coolest since: 1976 1917
85th Warmest Warmest since: 1977 2018
Ties: 1904, 1974
Aug–Sep 1978
2-Month
71.7°F
(22.1°C)
70.6°F
(21.4°C)
1.1°F
(0.7°C)
87th Coolest Coolest since: 1976 1927, 1963
39th Warmest Warmest since: 1977 2018
Ties: 2004, 2006
Jul–Sep 1978
3-Month
72.3°F
(22.4°C)
72.2°F
(22.3°C)
0.1°F
(0.1°C)
58th Coolest Coolest since: 1976 1909
68th Warmest Warmest since: 1977 2016
Ties: 1926, 1943, 1997
Jun–Sep 1978
4-Month
71.9°F
(22.2°C)
71.8°F
(22.1°C)
0.1°F
(0.1°C)
55th Coolest Coolest since: 1976 1927
71st Warmest Warmest since: 1977 2010
Ties: 1899, 1938, 1960, 1996
May–Sep 1978
5-Month
69.6°F
(20.9°C)
69.9°F
(21.1°C)
-0.3°F
(-0.2°C)
41st Coolest Coolest since: 1976 1924, 1927
85th Warmest Warmest since: 1977 2010
Ties: 1938, 1948, 1966, 1971, 1984
Apr–Sep 1978
6-Month
66.6°F
(19.2°C)
66.9°F
(19.4°C)
-0.3°F
(-0.2°C)
38th Coolest Coolest since: 1975 1907
88th Warmest Warmest since: 1977 2010
Ties: 1910, 1912, 1948
Mar–Sep 1978
7-Month
62.8°F
(17.1°C)
63.5°F
(17.5°C)
-0.7°F
(-0.4°C)
29th Coolest Coolest since: 1972 1924
97th Warmest Warmest since: 1977 2010
Ties: 1935, 1947
Feb–Sep 1978
8-Month
57.9°F
(14.4°C)
59.8°F
(15.4°C)
-1.9°F
(-1.0°C)
6th Coolest Coolest since: 1967 1907
120th Warmest Warmest since: 1977 2012
Ties: 1916, 1917
Jan–Sep 1978
9-Month
54.8°F
(12.7°C)
56.9°F
(13.8°C)
-2.1°F
(-1.1°C)
5th Coolest Coolest since: 1940 1940
121st Warmest Warmest since: 1977 2012
Ties: 1912, 1924
Dec 1977–Sep 1978
10-Month
52.9°F
(11.6°C)
54.8°F
(12.7°C)
-1.9°F
(-1.1°C)
7th Coolest Coolest since: 1940 1904
118th Warmest Warmest since: 1977 2012
Nov 1977–Sep 1978
11-Month
52.5°F
(11.4°C)
54.0°F
(12.2°C)
-1.5°F
(-0.8°C)
12th Coolest Coolest since: 1963 1904
113th Warmest Warmest since: 1977 2012
Ties: 1926
Oct 1977–Sep 1978
12-Month
52.6°F
(11.4°C)
54.1°F
(12.3°C)
-1.5°F
(-0.9°C)
9th Coolest Coolest since: 1963 1904
116th Warmest Warmest since: 1977 2012
Ties: 1920, 1927
Apr 1977–Sep 1978
18-Month
57.9°F
(14.4°C)
58.4°F
(14.7°C)
-0.5°F
(-0.3°C)
24th Coolest Coolest since: 1977 1904, 1918
101st Warmest Warmest since: 1977 2012
Ties: 1911, 1964, 1966, 1970, 1977, 1979
Oct 1976–Sep 1978
24-Month
53.0°F
(11.7°C)
54.2°F
(12.3°C)
-1.2°F
(-0.6°C)
8th Coolest Coolest since: 1941 1905
116th Warmest Warmest since: 1977 2017
Oct 1975–Sep 1978
36-Month
53.9°F
(12.2°C)
54.2°F
(12.3°C)
-0.3°F
(-0.1°C)
41st Coolest Coolest since: 1972 1905, 1918
82nd Warmest Warmest since: 1977 2018
Ties: 1913, 1925, 1935, 1972, 1983
Oct 1974–Sep 1978
48-Month
54.1°F
(12.3°C)
54.2°F
(12.3°C)
-0.1°F
(0.0°C)
52nd Coolest Coolest since: 1972 1905
70th Warmest Warmest since: 1977 2019
Ties: 1930, 1959
Oct 1973–Sep 1978
60-Month
54.3°F
(12.4°C)
54.2°F
(12.3°C)
0.1°F
(0.1°C)
63rd Coolest Coolest since: 1973 1908
58th Warmest Warmest since: 1977 2019
Ties: 1959, 1961, 1985

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 20, 2019 from https://www.ncdc.noaa.gov/cag/