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.

Ohio River Basin

Average Temperature Rankings, April 1973

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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
April 1973
1-Month
50.6°F
(10.3°C)
51.5°F
(10.8°C)
-0.9°F
(-0.5°C)
41st Coolest
Coolest since:
1907
88th Warmest
Warmest since:
1896
Ties: 1917
Mar–Apr 1973
2-Month
49.8°F
(9.9°C)
46.4°F
(8.0°C)
3.4°F
(1.9°C)
114th Coolest
Coolest since:
1926
15th Warmest
Warmest since:
2012
Ties: 1948
Feb–Apr 1973
3-Month
43.7°F
(6.5°C)
41.5°F
(5.3°C)
2.2°F
(1.2°C)
101st Coolest
Coolest since:
1978
28th Warmest
Warmest since:
2012
Ties: 1903
Jan–Apr 1973
4-Month
40.4°F
(4.7°C)
38.4°F
(3.6°C)
2.0°F
(1.1°C)
103rd Coolest
Coolest since:
1978
26th Warmest
Warmest since:
2017
Ties: 1933, 1935, 1999
Dec 1972–Apr 1973
5-Month
39.3°F
(4.1°C)
37.2°F
(2.9°C)
2.1°F
(1.2°C)
104th Coolest
Coolest since:
1978
24th Warmest
Warmest since:
2012
Ties: 1983, 2019
Nov 1972–Apr 1973
6-Month
39.4°F
(4.1°C)
38.1°F
(3.4°C)
1.3°F
(0.7°C)
91st Coolest
Coolest since:
1904
37th Warmest
Warmest since:
2012
Ties: 1986, 1989
Oct 1972–Apr 1973
7-Month
41.1°F
(5.1°C)
40.4°F
(4.7°C)
0.7°F
(0.4°C)
77th Coolest
Coolest since:
1978
51st Warmest
Warmest since:
2017
Sep 1972–Apr 1973
8-Month
44.3°F
(6.8°C)
43.6°F
(6.4°C)
0.7°F
(0.4°C)
79th Coolest
Coolest since:
1918, 1977
49th Warmest
Warmest since:
2017
Ties: 1937, 2007
Aug 1972–Apr 1973
9-Month
47.3°F
(8.5°C)
46.7°F
(8.2°C)
0.6°F
(0.3°C)
75th Coolest
Coolest since:
1977
53rd Warmest
Warmest since:
2017
Ties: 1933, 2011
Jul 1972–Apr 1973
10-Month
49.8°F
(9.9°C)
49.4°F
(9.7°C)
0.4°F
(0.2°C)
71st Coolest
Coolest since:
1977
57th Warmest
Warmest since:
2017
Ties: 1923, 1925, 1929, 1985
Jun 1972–Apr 1973
11-Month
51.3°F
(10.7°C)
51.4°F
(10.8°C)
-0.1°F
(-0.1°C)
55th Coolest
Coolest since:
1977
73rd Warmest
Warmest since:
2017
Ties: 1897, 1941, 1944
May 1972–Apr 1973
12-Month
52.2°F
(11.2°C)
52.2°F
(11.2°C)
0.0°F
(0.0°C)
56th Coolest
Coolest since:
1918
72nd Warmest
Warmest since:
2017
Ties: 1896, 1956, 1960
Nov 1971–Apr 1973
18-Month
47.8°F
(8.8°C)
47.5°F
(8.6°C)
0.3°F
(0.2°C)
73rd Coolest
Coolest since:
1905, 1918
54th Warmest
Warmest since:
2017
Ties: 1910, 1943, 1956, 1957, 2009
May 1971–Apr 1973
24-Month
52.5°F
(11.4°C)
52.2°F
(11.2°C)
0.3°F
(0.2°C)
71st Coolest
Coolest since:
1978
56th Warmest
Warmest since:
2017
Ties: 1915, 1972, 1975, 1976, 1990
May 1970–Apr 1973
36-Month
52.4°F
(11.3°C)
52.2°F
(11.2°C)
0.2°F
(0.1°C)
67th Coolest
Coolest since:
1979
59th Warmest
Warmest since:
2018
Ties: 1899, 1903, 1936, 1942, 1975
May 1969–Apr 1973
48-Month
51.9°F
(11.1°C)
52.2°F
(11.2°C)
-0.3°F
(-0.1°C)
34th Coolest
Coolest since:
1980
91st Warmest
Warmest since:
2019
Ties: 1913, 1921, 1959, 1960, 1977
May 1968–Apr 1973
60-Month
51.8°F
(11.0°C)
52.2°F
(11.2°C)
-0.4°F
(-0.2°C)
28th Coolest
Coolest since:
1981
96th Warmest
Warmest since:
2020
Ties: 1929, 1961, 1997

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