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 1991 Average Temperature Rankings

View Period (Months):
  • Record Coolest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Warmest
PeriodValue
1901-2000
Mean
AnomalyRank
(1895-2025)
Coolest/Warmest
Since
Record
December 1991
1-Month
37.0°F
(2.8°C)
33.0°F
(0.6°C)
4.0°F103rd Coolest
Coolest since:
1989
28th Warmest
Warmest since:
2015
Nov–Dec 1991
2-Month
38.7°F
(3.7°C)
38.0°F
(3.3°C)
0.7°F71st Coolest
Coolest since:
1976
60th Warmest
Warmest since:
2015
Oct–Dec 1991
3-Month
44.7°F
(7.1°C)
43.9°F
(6.6°C)
0.8°F81st Coolest
Coolest since:
1976
50th Warmest
Warmest since:
1931
Ties: 1908, 1920, 1933, 1948
Sep–Dec 1991
4-Month
50.3°F
(10.2°C)
49.7°F
(9.8°C)
0.6°F73rd Coolest
Coolest since:
1976
58th Warmest
Warmest since:
1931
Ties: 1902, 1906, 1934
Aug–Dec 1991
5-Month
55.1°F
(12.8°C)
54.5°F
(12.5°C)
0.6°F76th Coolest
Coolest since:
1976
55th Warmest
Warmest since:
1931
Ties: 1911, 1948, 1987
Jul–Dec 1991
6-Month
58.7°F
(14.8°C)
58.0°F
(14.4°C)
0.7°F84th Coolest
Coolest since:
1976
47th Warmest
Warmest since:
1931
Jun–Dec 1991
7-Month
60.9°F
(16.1°C)
60.0°F
(15.6°C)
0.9°F94th Coolest
Coolest since:
1976
37th Warmest
Warmest since:
1931
Ties: 1947, 1949, 1987
May–Dec 1991
8-Month
61.9°F
(16.6°C)
60.3°F
(15.7°C)
1.6°F111th Coolest
Coolest since:
1917
20th Warmest
Warmest since:
1931
Apr–Dec 1991
9-Month
61.3°F
(16.3°C)
59.5°F
(15.3°C)
1.8°F116th Coolest
Coolest since:
1917
15th Warmest
Warmest since:
1931, 2024
Mar–Dec 1991
10-Month
59.8°F
(15.4°C)
57.8°F
(14.3°C)
2.0°F121st Coolest
Coolest since:
1917
10th Warmest
Warmest since:
2024
Feb–Dec 1991
11-Month
57.7°F
(14.3°C)
55.5°F
(13.1°C)
2.2°F122nd Coolest
Coolest since:
1917
9th Warmest
Warmest since:
2024
Jan–Dec 1991
12-Month
55.4°F
(13.0°C)
53.4°F
(11.9°C)
2.0°F121st Coolest
Coolest since:
1917
10th Warmest
Warmest since:
2024
Jul 1990–Dec 1991
18-Month
56.6°F
(13.7°C)
54.9°F
(12.7°C)
1.7°F116th Coolest
Coolest since:
1904
14th Warmest
Warmest since:
2024
Jan 1990–Dec 1991
24-Month
55.3°F
(12.9°C)
53.4°F
(11.9°C)
1.9°F123rd Coolest
Coolest since:
1979
7th Warmest
Warmest since:
2024
Jan 1989–Dec 1991
36-Month
54.3°F
(12.4°C)
53.4°F
(11.9°C)
0.9°F99th Coolest
Coolest since:
1980
30th Warmest
Warmest since:
2024
Jan 1988–Dec 1991
48-Month
54.0°F
(12.2°C)
53.4°F
(11.9°C)
0.6°F88th Coolest
Coolest since:
1979
40th Warmest
Warmest since:
2024
Jan 1987–Dec 1991
60-Month
54.2°F
(12.3°C)
53.4°F
(11.9°C)
0.8°F99th Coolest
Coolest since:
1980
28th Warmest
Warmest since:
2024

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