Regional Rankings

Regional Data Info
Please note, Degree Days are not available for Great Plains, Souther Plains and Gulf Coast, Rockies and Westward, River Basins, or Agricultural Belts. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Ohio Valley

December 1989 Average Temperature Rankings

View Period (Months):
  • Record Coolest
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  • Bottom ⅓
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  • Top ⅓
  • Top ⅒
  • Record Warmest
PeriodValue
1901-2000
Mean
AnomalyRank
(1895-2025)
Coolest/Warmest
Since
Record
December 1989
1-Month
21.8°F
(-5.7°C)
33.0°F
(0.6°C)
-11.2°F1st CoolestCoolest to Date1989
130th Warmest
Warmest since:
2015
Nov–Dec 1989
2-Month
32.6°F
(0.3°C)
38.0°F
(3.3°C)
-5.4°F4th Coolest
Coolest since:
1976
127th Warmest
Warmest since:
2015
Oct–Dec 1989
3-Month
40.4°F
(4.7°C)
43.9°F
(6.6°C)
-3.5°F5th Coolest
Coolest since:
1976
126th Warmest
Warmest since:
1931
Sep–Dec 1989
4-Month
46.4°F
(8.0°C)
49.7°F
(9.8°C)
-3.3°F3rd Coolest
Coolest since:
1976
128th Warmest
Warmest since:
1931
Aug–Dec 1989
5-Month
51.7°F
(10.9°C)
54.5°F
(12.5°C)
-2.8°F3rd Coolest
Coolest since:
1976
128th Warmest
Warmest since:
1931
Jul–Dec 1989
6-Month
55.6°F
(13.1°C)
58.0°F
(14.4°C)
-2.4°F4th Coolest
Coolest since:
1976
127th Warmest
Warmest since:
1931
Ties: 1967
Jun–Dec 1989
7-Month
57.7°F
(14.3°C)
60.0°F
(15.6°C)
-2.3°F5th Coolest
Coolest since:
1976
126th Warmest
Warmest since:
1931
May–Dec 1989
8-Month
58.0°F
(14.4°C)
60.3°F
(15.7°C)
-2.3°F3rd Coolest
Coolest since:
1917
128th Warmest
Warmest since:
1931
Apr–Dec 1989
9-Month
57.4°F
(14.1°C)
59.5°F
(15.3°C)
-2.1°F5th Coolest
Coolest since:
1917
126th Warmest
Warmest since:
1931, 2024
Mar–Dec 1989
10-Month
56.1°F
(13.4°C)
57.8°F
(14.3°C)
-1.7°F5th Coolest
Coolest since:
1917
126th Warmest
Warmest since:
2024
Ties: 1960
Feb–Dec 1989
11-Month
53.6°F
(12.0°C)
55.5°F
(13.1°C)
-1.9°F3rd Coolest
Coolest since:
1917
128th Warmest
Warmest since:
2024
Ties: 1958
Jan–Dec 1989
12-Month
52.2°F
(11.2°C)
53.4°F
(11.9°C)
-1.2°F17th Coolest
Coolest since:
1917
114th Warmest
Warmest since:
2024
Ties: 1950
Jul 1988–Dec 1989
18-Month
54.2°F
(12.3°C)
54.9°F
(12.7°C)
-0.7°F24th Coolest
Coolest since:
1904
106th Warmest
Warmest since:
2024
Jan 1988–Dec 1989
24-Month
52.7°F
(11.5°C)
53.4°F
(11.9°C)
-0.7°F25th Coolest
Coolest since:
1979
105th Warmest
Warmest since:
2024
Jan 1987–Dec 1989
36-Month
53.5°F
(11.9°C)
53.4°F
(11.9°C)
0.1°F68th Coolest
Coolest since:
1980
61st Warmest
Warmest since:
2024
Jan 1986–Dec 1989
48-Month
53.7°F
(12.1°C)
53.4°F
(11.9°C)
0.3°F73rd Coolest
Coolest since:
1979
55th Warmest
Warmest since:
2024
Jan 1985–Dec 1989
60-Month
53.5°F
(11.9°C)
53.4°F
(11.9°C)
0.1°F57th Coolest
Coolest since:
1980
70th Warmest
Warmest since:
2024
Ties: 1901, 1911, 1915, 1975

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