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 1897

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
April 1897
1-Month
50.7°F
(10.4°C)
51.5°F
(10.8°C)
-0.8°F
(-0.4°C)
43rd Coolest
Coolest since:
1907
86th Warmest
Warmest since:
1896
Ties: 1937
Mar–Apr 1897
2-Month
47.0°F
(8.3°C)
46.3°F
(7.9°C)
0.7°F
(0.4°C)
74th Coolest
Coolest since:
1926
55th Warmest
Warmest to Date
2012
Ties: 1898
Feb–Apr 1897
3-Month
42.6°F
(5.9°C)
41.5°F
(5.3°C)
1.1°F
(0.6°C)
81st Coolest
Coolest since:
1978
48th Warmest
Warmest to Date
2012
Ties: 1908, 1952
Jan–Apr 1897
4-Month
38.5°F
(3.6°C)
38.4°F
(3.6°C)
0.1°F
(0.0°C)
59th Coolest
Coolest since:
1978
70th Warmest
Warmest since:
2017
Dec 1896–Apr 1897
5-Month
37.7°F
(3.2°C)
37.3°F
(2.9°C)
0.4°F
(0.3°C)
65th Coolest
Coolest since:
1978
63rd Warmest
Warmest since:
2012
Nov 1896–Apr 1897
6-Month
38.9°F
(3.8°C)
38.1°F
(3.4°C)
0.8°F
(0.4°C)
76th Coolest
Coolest since:
1904
52nd Warmest
Warmest to Date
2012
Ties: 1930, 1933, 1972, 2013
Oct 1896–Apr 1897
7-Month
40.5°F
(4.7°C)
40.4°F
(4.7°C)
0.1°F
(0.0°C)
56th Coolest
Coolest since:
1978
72nd Warmest
Warmest to Date
2017
Ties: 1910, 1941, 2009, 2011
Sep 1896–Apr 1897
8-Month
43.4°F
(6.3°C)
43.5°F
(6.4°C)
-0.1°F
(-0.1°C)
48th Coolest
Coolest since:
1918, 1977
80th Warmest
Warmest since:
2017
Ties: 1896, 1910, 1911, 1914, 1934, 1941, 1966, 1967
Aug 1896–Apr 1897
9-Month
46.7°F
(8.2°C)
46.8°F
(8.2°C)
-0.1°F
(0.0°C)
54th Coolest
Coolest since:
1977
74th Warmest
Warmest since:
2017
Ties: 1896, 1910, 1930, 1931, 1941, 1988
Jul 1896–Apr 1897
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 to Date
2017
Ties: 1900, 1930, 1934, 1941, 1967
Jun 1896–Apr 1897
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: 1941, 1944, 1973
May 1896–Apr 1897
12-Month
52.7°F
(11.5°C)
52.2°F
(11.2°C)
0.5°F
(0.3°C)
77th Coolest
Coolest since:
1918
51st Warmest
Warmest to Date
2017
Ties: 1934, 1989, 2007
Nov 1895–Apr 1897
18-Month
48.0°F
(8.9°C)
47.5°F
(8.6°C)
0.5°F
(0.3°C)
82nd Coolest
Coolest since:
1905, 1918
45th Warmest
Warmest to Date
2017
Ties: 1914, 1920, 1931, 1946, 1989, 1998
May 1895–Apr 1897
24-Month
52.4°F
(11.3°C)
52.1°F
(11.2°C)
0.3°F
(0.1°C)
65th Coolest
Coolest since:
1978
62nd Warmest
Warmest to Date
2017
Ties: 1998

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