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 1900

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
April 1900
1-Month
51.7°F
(10.9°C)
51.5°F
(10.8°C)
0.2°F
(0.1°C)
62nd Coolest
Coolest since:
1907
67th Warmest
Warmest since:
1896
Ties: 1934, 1992
Mar–Apr 1900
2-Month
43.9°F
(6.6°C)
46.3°F
(7.9°C)
-2.4°F
(-1.3°C)
20th Coolest
Coolest since:
1926
109th Warmest
Warmest since:
2012
Ties: 1904
Feb–Apr 1900
3-Month
38.4°F
(3.6°C)
41.5°F
(5.3°C)
-3.1°F
(-1.7°C)
15th Coolest
Coolest since:
1978
114th Warmest
Warmest since:
2012
Ties: 1902
Jan–Apr 1900
4-Month
36.8°F
(2.7°C)
38.4°F
(3.6°C)
-1.6°F
(-0.9°C)
30th Coolest
Coolest since:
1978
99th Warmest
Warmest since:
2017
Ties: 1914, 1934, 1962, 1969, 1984
Dec 1899–Apr 1900
5-Month
35.6°F
(2.0°C)
37.3°F
(2.9°C)
-1.7°F
(-0.9°C)
26th Coolest
Coolest since:
1978
102nd Warmest
Warmest since:
2012
Ties: 1969
Nov 1899–Apr 1900
6-Month
37.1°F
(2.8°C)
38.1°F
(3.4°C)
-1.0°F
(-0.6°C)
34th Coolest
Coolest since:
1904
94th Warmest
Warmest since:
2012
Oct 1899–Apr 1900
7-Month
40.0°F
(4.4°C)
40.4°F
(4.7°C)
-0.4°F
(-0.3°C)
42nd Coolest
Coolest since:
1978
86th Warmest
Warmest since:
2017
Ties: 1901, 1911, 1915, 1931, 1943, 1966
Sep 1899–Apr 1900
8-Month
43.1°F
(6.2°C)
43.6°F
(6.4°C)
-0.5°F
(-0.2°C)
37th Coolest
Coolest since:
1918, 1977
91st Warmest
Warmest since:
2017
Ties: 1915, 1924, 1943
Aug 1899–Apr 1900
9-Month
46.6°F
(8.1°C)
46.8°F
(8.2°C)
-0.2°F
(-0.1°C)
48th Coolest
Coolest since:
1977
80th Warmest
Warmest since:
2017
Ties: 1916, 1928, 1934, 1956, 1981
Jul 1899–Apr 1900
10-Month
49.4°F
(9.7°C)
49.5°F
(9.7°C)
-0.1°F
(0.0°C)
53rd Coolest
Coolest since:
1977
75th Warmest
Warmest since:
2017
Ties: 1897, 1930, 1934, 1941, 1967
Jun 1899–Apr 1900
11-Month
51.4°F
(10.8°C)
51.3°F
(10.7°C)
0.1°F
(0.1°C)
59th Coolest
Coolest since:
1977
69th Warmest
Warmest since:
2017
Ties: 1896
May 1899–Apr 1900
12-Month
52.5°F
(11.4°C)
52.2°F
(11.2°C)
0.3°F
(0.2°C)
68th Coolest
Coolest since:
1918
60th Warmest
Warmest since:
2017
Ties: 1931, 1952
Nov 1898–Apr 1900
18-Month
46.8°F
(8.2°C)
47.5°F
(8.6°C)
-0.7°F
(-0.4°C)
25th Coolest
Coolest since:
1905, 1918
102nd Warmest
Warmest since:
2017
Ties: 1936
May 1898–Apr 1900
24-Month
52.0°F
(11.1°C)
52.2°F
(11.2°C)
-0.2°F
(-0.1°C)
38th Coolest
Coolest since:
1978
89th Warmest
Warmest since:
2017
Ties: 1902, 1913, 1916, 1937, 1966, 1985
May 1897–Apr 1900
36-Month
52.3°F
(11.3°C)
52.2°F
(11.2°C)
0.1°F
(0.1°C)
56th Coolest
Coolest since:
1979
70th Warmest
Warmest since:
2018
Ties: 1901, 1938, 1948, 1985, 1994
May 1896–Apr 1900
48-Month
52.4°F
(11.3°C)
52.2°F
(11.2°C)
0.2°F
(0.1°C)
53rd Coolest
Coolest since:
1980
72nd Warmest
Warmest to Date
2019
Ties: 1909, 1910, 1941, 1958, 1986, 1987
May 1895–Apr 1900
60-Month
52.4°F
(11.3°C)
52.2°F
(11.2°C)
0.2°F
(0.1°C)
59th Coolest
Coolest since:
1981
65th Warmest
Warmest to Date
2020
Ties: 1947, 1951, 1975

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