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Dubuque, Iowa

Average Temperature Rankings, December 1999

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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 1999
1-Month
25.5°F
(-3.6°C)
22.7°F
(-5.2°C)
2.8°F
(1.6°C)
40th Coolest
Coolest since:
1983
32nd Warmest
Warmest since:
2015
Ties: 1953
Nov–Dec 1999
2-Month
34.1°F
(1.2°C)
29.6°F
(-1.3°C)
4.5°F
(2.5°C)
64th Coolest
Coolest since:
1985
8th Warmest
Warmest since:
2001
Ties: 1994
Oct–Dec 1999
3-Month
39.4°F
(4.1°C)
36.4°F
(2.4°C)
3.0°F
(1.7°C)
59th Coolest
Coolest since:
1976
13th Warmest
Warmest since:
2015
Sep–Dec 1999
4-Month
44.5°F
(6.9°C)
42.7°F
(5.9°C)
1.8°F
(1.0°C)
59th Coolest
Coolest since:
1976
13th Warmest
Warmest since:
2015
Ties: 1979, 1984
Aug–Dec 1999
5-Month
49.2°F
(9.6°C)
48.2°F
(9.0°C)
1.0°F
(0.6°C)
50th Coolest
Coolest since:
1976
21st Warmest
Warmest since:
2015
Jul–Dec 1999
6-Month
53.5°F
(11.9°C)
52.1°F
(11.2°C)
1.4°F
(0.7°C)
61st Coolest
Coolest since:
1976
10th Warmest
Warmest since:
2021
Ties: 1971, 1988, 2006
Jun–Dec 1999
7-Month
55.6°F
(13.1°C)
54.4°F
(12.4°C)
1.2°F
(0.7°C)
56th Coolest
Coolest since:
1951
15th Warmest
Warmest since:
2021
Ties: 1954, 1956, 1975, 2022
May–Dec 1999
8-Month
56.1°F
(13.4°C)
54.9°F
(12.7°C)
1.2°F
(0.7°C)
53rd Coolest
Coolest since:
1976
18th Warmest
Warmest since:
2021
Apr–Dec 1999
9-Month
55.4°F
(13.0°C)
54.1°F
(12.3°C)
1.3°F
(0.7°C)
61st Coolest
Coolest since:
1951
10th Warmest
Warmest since:
2021
Ties: 2006
Mar–Dec 1999
10-Month
53.3°F
(11.8°C)
52.3°F
(11.3°C)
1.0°F
(0.5°C)
56th Coolest
Coolest since:
1951
15th Warmest
Warmest since:
2021
Ties: 1994
Feb–Dec 1999
11-Month
51.3°F
(10.7°C)
49.7°F
(9.8°C)
1.6°F
(0.9°C)
65th Coolest
Coolest since:
1951
6th Warmest
Warmest since:
2012
Jan–Dec 1999
12-Month
48.3°F
(9.1°C)
47.1°F
(8.4°C)
1.2°F
(0.7°C)
61st Coolest
Coolest since:
2014
9th Warmest
Warmest since:
2012
Ties: 2005, 2020
Jul 1998–Dec 1999
18-Month
50.6°F
(10.3°C)
48.8°F
(9.3°C)
1.8°F
(1.0°C)
65th Coolest
Coolest since:
2014
4th Warmest
Warmest since:
2012
Ties: 1998
Jan 1998–Dec 1999
24-Month
49.2°F
(9.6°C)
47.0°F
(8.3°C)
2.2°F
(1.3°C)
67th Coolest
Coolest since:
1979
1st Warmest
Warmest to Date
1999
Jan 1997–Dec 1999
36-Month
48.0°F
(8.9°C)
47.1°F
(8.4°C)
0.9°F
(0.5°C)
58th Coolest
Coolest since:
1979
8th Warmest
Warmest since:
2017
Ties: 1988
Jan 1996–Dec 1999
48-Month
47.1°F
(8.4°C)
47.2°F
(8.4°C)
-0.1°F
(0.0°C)
40th Coolest
Coolest since:
1979
24th Warmest
Warmest since:
2001, 2018
Ties: 1957, 1991
Jan 1995–Dec 1999
60-Month
47.0°F
(8.3°C)
47.2°F
(8.4°C)
-0.2°F
(-0.1°C)
36th Coolest
Coolest since:
1979
26th Warmest
Warmest since:
2002
Ties: 2010, 2014, 2015

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