Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. 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.

New England Basin

Average Temperature Rankings, December 1997

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 1997
1-Month
24.0°F
(-4.4°C)
21.6°F
(-5.8°C)
2.4°F
(1.4°C)
82nd Coolest
Coolest since:
1989
47th Warmest
Warmest since:
2015
Ties: 1986
Nov–Dec 1997
2-Month
28.6°F
(-1.9°C)
28.0°F
(-2.2°C)
0.6°F
(0.3°C)
67th Coolest
Coolest since:
1917
62nd Warmest
Warmest since:
2015
Ties: 1909, 1949, 1988
Oct–Dec 1997
3-Month
34.0°F
(1.1°C)
34.0°F
(1.1°C)
0.0°F
(0.0°C)
57th Coolest
Coolest since:
1904, 1917
72nd Warmest
Warmest since:
2015
Ties: 1995
Sep–Dec 1997
4-Month
39.6°F
(4.2°C)
39.6°F
(4.2°C)
0.0°F
(0.0°C)
53rd Coolest
Coolest since:
1917
76th Warmest
Warmest since:
2015
Ties: 1985, 1992, 1993
Aug–Dec 1997
5-Month
44.5°F
(6.9°C)
44.6°F
(7.0°C)
-0.1°F
(-0.1°C)
48th Coolest
Coolest since:
1904
81st Warmest
Warmest since:
2015
Ties: 1939, 1960, 1974, 1985, 1992, 1995
Jul–Dec 1997
6-Month
48.2°F
(9.0°C)
48.2°F
(9.0°C)
0.0°F
(0.0°C)
49th Coolest
Coolest since:
1904
80th Warmest
Warmest since:
2015
Ties: 1912, 1916, 1935, 1985
Jun–Dec 1997
7-Month
50.2°F
(10.1°C)
50.1°F
(10.1°C)
0.1°F
(0.0°C)
59th Coolest
Coolest since:
1904
70th Warmest
Warmest since:
2021
Ties: 1915, 1954
May–Dec 1997
8-Month
50.0°F
(10.0°C)
50.4°F
(10.2°C)
-0.4°F
(-0.2°C)
35th Coolest
Coolest since:
1917
94th Warmest
Warmest since:
2015
Ties: 1901, 1935, 1965, 2000
Apr–Dec 1997
9-Month
48.8°F
(9.3°C)
49.2°F
(9.6°C)
-0.4°F
(-0.3°C)
32nd Coolest
Coolest since:
1917
97th Warmest
Warmest since:
2021
Ties: 1916, 1928, 1939, 1967, 1978
Mar–Dec 1997
10-Month
46.5°F
(8.1°C)
47.2°F
(8.4°C)
-0.7°F
(-0.3°C)
30th Coolest
Coolest since:
1917
99th Warmest
Warmest since:
2021
Ties: 1928, 1976, 1978
Feb–Dec 1997
11-Month
44.4°F
(6.9°C)
44.5°F
(6.9°C)
-0.1°F
(0.0°C)
53rd Coolest
Coolest since:
1917
76th Warmest
Warmest since:
2010, 2012
Ties: 1922
Jan–Dec 1997
12-Month
42.1°F
(5.6°C)
42.2°F
(5.7°C)
-0.1°F
(-0.1°C)
51st Coolest
Coolest since:
1904
78th Warmest
Warmest since:
2010, 2012
Ties: 1900, 1948, 1970, 1971
Jul 1996–Dec 1997
18-Month
44.6°F
(7.0°C)
44.2°F
(6.8°C)
0.4°F
(0.2°C)
73rd Coolest
Coolest since:
1904
55th Warmest
Warmest since:
2012
Ties: 1945, 1948, 1969
Jan 1996–Dec 1997
24-Month
42.5°F
(5.8°C)
42.2°F
(5.7°C)
0.3°F
(0.1°C)
71st Coolest
Coolest since:
1905
57th Warmest
Warmest since:
2021
Ties: 1933, 1945, 1975, 1981
Jan 1995–Dec 1997
36-Month
42.7°F
(5.9°C)
42.2°F
(5.7°C)
0.5°F
(0.2°C)
79th Coolest
Coolest since:
1905, 1906
48th Warmest
Warmest since:
2012, 2022
Ties: 1939, 1947, 1986, 1988, 1995
Jan 1994–Dec 1997
48-Month
42.7°F
(5.9°C)
42.2°F
(5.7°C)
0.5°F
(0.2°C)
80th Coolest
Coolest since:
1907
46th Warmest
Warmest since:
2013
Ties: 1982, 1994, 1996
Jan 1993–Dec 1997
60-Month
42.6°F
(5.9°C)
42.2°F
(5.7°C)
0.4°F
(0.2°C)
75th Coolest
Coolest since:
1907
50th Warmest
Warmest since:
2013, 2014, 2022
Ties: 1934, 1961

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