Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Pacific Northwest Basin

Average Temperature Rankings, December 1970

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 1970
1-Month
26.7°F
(-2.9°C)
28.1°F
(-2.2°C)
-1.4°F
(-0.7°C)
34th Coolest
Coolest since:
1990
95th Warmest
Warmest since:
1917
Nov–Dec 1970
2-Month
31.1°F
(-0.5°C)
31.3°F
(-0.4°C)
-0.2°F
(-0.1°C)
54th Coolest
Coolest since:
1985
75th Warmest
Warmest since:
1917
Ties: 2015
Oct–Dec 1970
3-Month
35.0°F
(1.7°C)
36.2°F
(2.3°C)
-1.2°F
(-0.6°C)
29th Coolest
Coolest since:
1985
100th Warmest
Warmest since:
1917
Ties: 1928
Sep–Dec 1970
4-Month
39.2°F
(4.0°C)
41.1°F
(5.1°C)
-1.9°F
(-1.1°C)
16th Coolest
Coolest since:
1985
113th Warmest
Warmest since:
1917
Ties: 1905, 1914
Aug–Dec 1970
5-Month
44.2°F
(6.8°C)
45.4°F
(7.4°C)
-1.2°F
(-0.6°C)
18th Coolest
Coolest since:
1985
111th Warmest
Warmest since:
1917, 2014
Jul–Dec 1970
6-Month
47.8°F
(8.8°C)
48.7°F
(9.3°C)
-0.9°F
(-0.5°C)
29th Coolest
Coolest since:
1985
100th Warmest
Warmest since:
2014
Ties: 1927, 1931, 1935
Jun–Dec 1970
7-Month
49.5°F
(9.7°C)
49.8°F
(9.9°C)
-0.3°F
(-0.2°C)
43rd Coolest
Coolest since:
1916
86th Warmest
Warmest since:
2021
Ties: 1896, 1900, 1907, 1945
May–Dec 1970
8-Month
49.5°F
(9.7°C)
49.8°F
(9.9°C)
-0.3°F
(-0.2°C)
40th Coolest
Coolest since:
1916
89th Warmest
Warmest since:
2021
Ties: 1921, 1943, 2010
Apr–Dec 1970
9-Month
48.2°F
(9.0°C)
49.0°F
(9.4°C)
-0.8°F
(-0.4°C)
27th Coolest
Coolest since:
1916
102nd Warmest
Warmest since:
2021
Ties: 1898, 1908, 1935, 1968
Mar–Dec 1970
10-Month
46.9°F
(8.3°C)
47.7°F
(8.7°C)
-0.8°F
(-0.4°C)
28th Coolest
Coolest since:
1916
101st Warmest
Warmest since:
2015
Ties: 1908, 1954
Feb–Dec 1970
11-Month
45.8°F
(7.7°C)
46.1°F
(7.8°C)
-0.3°F
(-0.1°C)
41st Coolest
Coolest since:
1955
88th Warmest
Warmest since:
2015
Ties: 1914, 1933, 1944, 1945, 1954
Jan–Dec 1970
12-Month
44.4°F
(6.9°C)
44.4°F
(6.9°C)
0.0°F
(0.0°C)
55th Coolest
Coolest since:
1916
74th Warmest
Warmest since:
2015
Ties: 1921, 1928, 1946, 1959, 1962, 2008
Jul 1969–Dec 1970
18-Month
45.8°F
(7.7°C)
45.8°F
(7.7°C)
0.0°F
(0.0°C)
58th Coolest
Coolest since:
1985
70th Warmest
Warmest since:
2015
Ties: 1906, 1915, 1935, 1944, 1946, 1976, 1978, 2011
Jan 1969–Dec 1970
24-Month
44.4°F
(6.9°C)
44.5°F
(6.9°C)
-0.1°F
(0.0°C)
55th Coolest
Coolest since:
1917
73rd Warmest
Warmest since:
2015
Ties: 1906, 1946, 1969, 1973, 1979
Jan 1968–Dec 1970
36-Month
44.4°F
(6.9°C)
44.4°F
(6.9°C)
0.0°F
(0.0°C)
55th Coolest
Coolest since:
1913
72nd Warmest
Warmest since:
2016
Ties: 1902, 1953, 1975, 1978
Jan 1967–Dec 1970
48-Month
44.8°F
(7.1°C)
44.5°F
(6.9°C)
0.3°F
(0.2°C)
77th Coolest
Coolest since:
1913, 1914, 1919
49th Warmest
Warmest since:
2016, 2017
Ties: 1927, 1935, 1960, 1963
Jan 1966–Dec 1970
60-Month
44.9°F
(7.2°C)
44.4°F
(6.9°C)
0.5°F
(0.3°C)
84th Coolest
Coolest since:
1913
41st Warmest
Warmest since:
2018
Ties: 1937, 1944, 1961, 1969, 1981

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