Climate at a Glance

Regional 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 May 2021. For more information, please see Climatological Rankings.


Ohio River Basin

Average Temperature Rankings, December 1999

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
December 1999
1-Month
35.0°F
(1.7°C)
32.4°F
(0.2°C)
2.6°F
(1.5°C)
88th Coolest Coolest since: 1997 1989
39th Warmest Warmest since: 1998 2015
Nov–Dec 1999
2-Month
41.6°F
(5.3°C)
37.3°F
(2.9°C)
4.3°F
(2.4°C)
118th Coolest Coolest since: 1998 1976
9th Warmest Warmest since: 1998 2015
Ties: 1923, 1946, 1998
Oct–Dec 1999
3-Month
45.7°F
(7.6°C)
42.9°F
(6.1°C)
2.8°F
(1.5°C)
110th Coolest Coolest since: 1997 1917
17th Warmest Warmest since: 1998 2015
Sep–Dec 1999
4-Month
50.6°F
(10.3°C)
48.6°F
(9.2°C)
2.0°F
(1.1°C)
106th Coolest Coolest since: 1997 1976
21st Warmest Warmest since: 1998 1931
Ties: 1922, 1956, 1970, 2020
Aug–Dec 1999
5-Month
54.9°F
(12.7°C)
53.4°F
(11.9°C)
1.5°F
(0.8°C)
108th Coolest Coolest since: 1997 1976
19th Warmest Warmest since: 1998 1931
Ties: 1921, 1956, 1970, 2005
Jul–Dec 1999
6-Month
58.6°F
(14.8°C)
56.8°F
(13.8°C)
1.8°F
(1.0°C)
113th Coolest Coolest since: 1997 1976
14th Warmest Warmest since: 1998 1931
Ties: 2020
Jun–Dec 1999
7-Month
60.4°F
(15.8°C)
58.7°F
(14.8°C)
1.7°F
(1.0°C)
114th Coolest Coolest since: 1997 1976
13th Warmest Warmest since: 1998 1931
Ties: 2018, 2019
May–Dec 1999
8-Month
60.7°F
(15.9°C)
59.0°F
(15.0°C)
1.7°F
(0.9°C)
111th Coolest Coolest since: 1997 1917
16th Warmest Warmest since: 1998 1931
Ties: 1933
Apr–Dec 1999
9-Month
60.1°F
(15.6°C)
58.2°F
(14.6°C)
1.9°F
(1.0°C)
115th Coolest Coolest since: 1997 1917
12th Warmest Warmest since: 1998 2015
Ties: 2001
Mar–Dec 1999
10-Month
57.8°F
(14.3°C)
56.5°F
(13.6°C)
1.3°F
(0.7°C)
106th Coolest Coolest since: 1997 1917
21st Warmest Warmest since: 1998 2016
Ties: 2004, 2017, 2018, 2020
Feb–Dec 1999
11-Month
56.0°F
(13.3°C)
54.3°F
(12.4°C)
1.7°F
(0.9°C)
115th Coolest Coolest since: 1997 1917
12th Warmest Warmest since: 1998 2012
Ties: 1922, 1946
Jan–Dec 1999
12-Month
53.9°F
(12.2°C)
52.1°F
(11.2°C)
1.8°F
(1.0°C)
111th Coolest Coolest since: 1997 1917
16th Warmest Warmest since: 1998 2012
Ties: 1933, 1946, 2002, 2019
Jul 1998–Dec 1999
18-Month
55.7°F
(13.2°C)
53.7°F
(12.1°C)
2.0°F
(1.1°C)
120th Coolest Coolest since: 1998 1904, 1917
6th Warmest Warmest since: 1932 2012, 2016
Ties: 2020
Jan 1998–Dec 1999
24-Month
54.6°F
(12.6°C)
52.1°F
(11.2°C)
2.5°F
(1.4°C)
123rd Coolest Coolest since: 1998 1979
3rd Warmest Warmest to Date 2017
Jan 1997–Dec 1999
36-Month
53.6°F
(12.0°C)
52.2°F
(11.2°C)
1.4°F
(0.8°C)
114th Coolest Coolest since: 1998 1980
11th Warmest Warmest since: 1992 2018
Ties: 1954, 1992, 2006
Jan 1996–Dec 1999
48-Month
53.0°F
(11.7°C)
52.2°F
(11.2°C)
0.8°F
(0.5°C)
99th Coolest Coolest since: 1998 1979
25th Warmest Warmest since: 1993 2019
Ties: 1932, 1935, 1939, 1949, 1957, 1992, 2003, 2015
Jan 1995–Dec 1999
60-Month
52.8°F
(11.6°C)
52.1°F
(11.2°C)
0.7°F
(0.4°C)
90th Coolest Coolest since: 1998 1980
33rd Warmest Warmest since: 1994 2020
Ties: 1925, 1939, 1942, 1949, 1953, 1954, 1990, 1993

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published June 2021, retrieved on June 23, 2021 from https://www.ncdc.noaa.gov/cag/