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.

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December 1998 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 1998
1-Month
45.5°F
(7.5°C)
43.5°F
(6.4°C)
2.0°F92nd Coolest
Coolest since:
1983
39th Warmest
Warmest since:
2021
Ties: 1988, 1993
Nov–Dec 1998
2-Month
50.7°F
(10.4°C)
47.6°F
(8.7°C)
3.1°F116th Coolest
Coolest since:
2000
15th Warmest
Warmest since:
2021
Ties: 1922
Oct–Dec 1998
3-Month
55.8°F
(13.2°C)
53.0°F
(11.7°C)
2.8°F123rd Coolest
Coolest since:
1976
8th Warmest
Warmest since:
2024
Ties: 1965
Sep–Dec 1998
4-Month
61.5°F
(16.4°C)
58.3°F
(14.6°C)
3.2°F123rd Coolest
Coolest since:
1976
8th Warmest
Warmest since:
2024
Aug–Dec 1998
5-Month
65.5°F
(18.6°C)
62.8°F
(17.1°C)
2.7°F123rd Coolest
Coolest since:
1976
8th Warmest
Warmest since:
2024
Ties: 1921
Jul–Dec 1998
6-Month
68.7°F
(20.4°C)
65.9°F
(18.8°C)
2.8°F126th Coolest
Coolest since:
1976
5th WarmestWarmest to Date2024
Jun–Dec 1998
7-Month
70.5°F
(21.4°C)
67.6°F
(19.8°C)
2.9°F128th Coolest
Coolest since:
1976
3rd WarmestWarmest to Date2024
May–Dec 1998
8-Month
71.0°F
(21.7°C)
67.9°F
(19.9°C)
3.1°F129th Coolest
Coolest since:
1976
2nd WarmestWarmest to Date2024
Apr–Dec 1998
9-Month
69.8°F
(21.0°C)
67.3°F
(19.6°C)
2.5°F128th Coolest
Coolest since:
1976
3rd WarmestWarmest to Date2024
Mar–Dec 1998
10-Month
68.0°F
(20.0°C)
65.9°F
(18.8°C)
2.1°F125th Coolest
Coolest since:
1976
6th Warmest
Warmest since:
2024
Feb–Dec 1998
11-Month
66.2°F
(19.0°C)
64.0°F
(17.8°C)
2.2°F125th Coolest
Coolest since:
1903
6th Warmest
Warmest since:
2024
Jan–Dec 1998
12-Month
64.5°F
(18.1°C)
62.2°F
(16.8°C)
2.3°F125th Coolest
Coolest since:
1895, 1979
6th WarmestWarmest to Date2024
Jul 1997–Dec 1998
18-Month
64.8°F
(18.2°C)
63.4°F
(17.4°C)
1.4°F118th Coolest
Coolest since:
1968
12th Warmest
Warmest since:
2024
Jan 1997–Dec 1998
24-Month
63.0°F
(17.2°C)
62.2°F
(16.8°C)
0.8°F102nd Coolest
Coolest since:
1979
28th Warmest
Warmest since:
2024
Ties: 1953, 1991
Jan 1996–Dec 1998
36-Month
62.7°F
(17.1°C)
62.2°F
(16.8°C)
0.5°F91st Coolest
Coolest since:
1905
38th Warmest
Warmest since:
2024
Jan 1995–Dec 1998
48-Month
62.6°F
(17.0°C)
62.1°F
(16.7°C)
0.5°F89th Coolest
Coolest since:
1906, 1961
39th Warmest
Warmest since:
2024
Jan 1994–Dec 1998
60-Month
62.7°F
(17.1°C)
62.1°F
(16.7°C)
0.6°F89th Coolest
Coolest since:
1961, 1979
38th Warmest
Warmest since:
2024
Ties: 1925, 1958

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