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 April 2022. For more information, please see Climatological Rankings.


Delaware

Average Temperature Rankings, October 1999

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
October 1999
1-Month
55.9°F
(13.3°C)
56.4°F
(13.6°C)
-0.5°F
(-0.3°C)
47th Coolest Coolest since: 1994 1907
81st Warmest Warmest since: 1998 2007
Sep–Oct 1999
2-Month
62.2°F
(16.8°C)
61.8°F
(16.6°C)
0.4°F
(0.2°C)
61st Coolest Coolest since: 1997 1917
67th Warmest Warmest since: 1998 2007
Ties: 1897, 1911, 1991
Aug–Oct 1999
3-Month
66.9°F
(19.4°C)
65.8°F
(18.8°C)
1.1°F
(0.6°C)
88th Coolest Coolest since: 1997 1909, 1917
40th Warmest Warmest since: 1998 2018
Ties: 1920, 1939, 1975, 1977, 1989, 2001, 2009
Jul–Oct 1999
4-Month
70.0°F
(21.1°C)
68.3°F
(20.2°C)
1.7°F
(0.9°C)
109th Coolest Coolest since: 1998 1909
19th Warmest Warmest since: 1998 2016
Ties: 1898, 1949, 1998
Jun–Oct 1999
5-Month
70.2°F
(21.2°C)
68.7°F
(20.4°C)
1.5°F
(0.8°C)
105th Coolest Coolest since: 1998 1907
23rd Warmest Warmest since: 1998 2010
Ties: 1998
May–Oct 1999
6-Month
69.0°F
(20.6°C)
67.6°F
(19.8°C)
1.4°F
(0.8°C)
104th Coolest Coolest since: 1997 1907
24th Warmest Warmest since: 1998 2010, 2018
Ties: 1970, 1986
Apr–Oct 1999
7-Month
66.8°F
(19.3°C)
65.4°F
(18.6°C)
1.4°F
(0.7°C)
103rd Coolest Coolest since: 1997 1907
25th Warmest Warmest since: 1998 2019
Ties: 1949, 1980, 1985, 2014
Mar–Oct 1999
8-Month
63.7°F
(17.6°C)
62.6°F
(17.0°C)
1.1°F
(0.6°C)
95th Coolest Coolest since: 1997 1907
33rd Warmest Warmest since: 1998 2010
Feb–Oct 1999
9-Month
60.9°F
(16.1°C)
59.4°F
(15.2°C)
1.5°F
(0.9°C)
103rd Coolest Coolest since: 1997 1907
25th Warmest Warmest since: 1998 2012
Ties: 1955, 2000
Jan–Oct 1999
10-Month
58.6°F
(14.8°C)
56.8°F
(13.8°C)
1.8°F
(1.0°C)
108th Coolest Coolest since: 1997 1940
20th Warmest Warmest since: 1998 2012
Ties: 1995
Dec 1998–Oct 1999
11-Month
57.1°F
(13.9°C)
54.9°F
(12.7°C)
2.2°F
(1.2°C)
110th Coolest Coolest since: 1997 1904
17th Warmest Warmest since: 1998 2012
Ties: 1995, 2013
Nov 1998–Oct 1999
12-Month
56.3°F
(13.5°C)
54.2°F
(12.3°C)
2.1°F
(1.2°C)
111th Coolest Coolest since: 1997 1904
16th Warmest Warmest since: 1998 2012
Ties: 1921, 2008
May 1998–Oct 1999
18-Month
60.6°F
(15.9°C)
58.7°F
(14.8°C)
1.9°F
(1.1°C)
111th Coolest Coolest since: 1998 1904
16th Warmest Warmest since: 1991 2012
Nov 1997–Oct 1999
24-Month
56.6°F
(13.7°C)
54.2°F
(12.3°C)
2.4°F
(1.4°C)
114th Coolest Coolest since: 1998 1905
12th Warmest Warmest to Date 2017
Nov 1996–Oct 1999
36-Month
56.0°F
(13.3°C)
54.2°F
(12.3°C)
1.8°F
(1.0°C)
106th Coolest Coolest since: 1998 1905
19th Warmest Warmest since: 1991 2018
Ties: 1991
Nov 1995–Oct 1999
48-Month
55.4°F
(13.0°C)
54.2°F
(12.3°C)
1.2°F
(0.7°C)
98th Coolest Coolest since: 1998 1907
26th Warmest Warmest since: 1998 2019
Ties: 1998
Nov 1994–Oct 1999
60-Month
55.6°F
(13.1°C)
54.2°F
(12.3°C)
1.4°F
(0.8°C)
101st Coolest Coolest since: 1998 1905, 1907, 1908
22nd Warmest Warmest to Date 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published May 2022, retrieved on May 28, 2022 from https://www.ncdc.noaa.gov/cag/