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 1903

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
April 1903
1-Month
51.2°F
(10.7°C)
51.5°F
(10.8°C)
-0.3°F
(-0.1°C)
51st Coolest
Coolest since:
1907
78th Warmest
Warmest since:
1896
Ties: 1913, 1990, 2000
Mar–Apr 1903
2-Month
49.6°F
(9.8°C)
46.3°F
(7.9°C)
3.3°F
(1.9°C)
112th Coolest
Coolest since:
1926
17th Warmest
Warmest to Date
2012
Ties: 1925, 1955
Feb–Apr 1903
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 to Date
2012
Ties: 1973
Jan–Apr 1903
4-Month
39.8°F
(4.3°C)
38.4°F
(3.6°C)
1.4°F
(0.7°C)
87th Coolest
Coolest since:
1978
42nd Warmest
Warmest since:
2017
Ties: 2021
Dec 1902–Apr 1903
5-Month
38.1°F
(3.4°C)
37.2°F
(2.9°C)
0.9°F
(0.5°C)
70th Coolest
Coolest since:
1978
58th Warmest
Warmest since:
2012
Ties: 1945
Nov 1902–Apr 1903
6-Month
39.9°F
(4.4°C)
38.1°F
(3.4°C)
1.8°F
(1.0°C)
98th Coolest
Coolest since:
1904
30th Warmest
Warmest to Date
2012
Ties: 2004
Oct 1902–Apr 1903
7-Month
42.2°F
(5.7°C)
40.4°F
(4.7°C)
1.8°F
(1.0°C)
103rd Coolest
Coolest since:
1978
25th Warmest
Warmest to Date
2017
Ties: 2008
Sep 1902–Apr 1903
8-Month
44.9°F
(7.2°C)
43.6°F
(6.4°C)
1.3°F
(0.8°C)
96th Coolest
Coolest since:
1918, 1977
32nd Warmest
Warmest since:
2017
Ties: 1935, 1939, 1986
Aug 1902–Apr 1903
9-Month
47.8°F
(8.8°C)
46.8°F
(8.2°C)
1.0°F
(0.6°C)
91st Coolest
Coolest since:
1977
37th Warmest
Warmest since:
2017
Ties: 1907, 1927, 2004
Jul 1902–Apr 1903
10-Month
50.5°F
(10.3°C)
49.5°F
(9.7°C)
1.0°F
(0.6°C)
96th Coolest
Coolest since:
1977
32nd Warmest
Warmest since:
2017
Ties: 1919, 1946, 1950, 1995
Jun 1902–Apr 1903
11-Month
52.1°F
(11.2°C)
51.3°F
(10.7°C)
0.8°F
(0.5°C)
89th Coolest
Coolest since:
1977
39th Warmest
Warmest since:
2017
Ties: 1901, 1907, 1938, 1945, 1946, 2007
May 1902–Apr 1903
12-Month
53.2°F
(11.8°C)
52.2°F
(11.2°C)
1.0°F
(0.6°C)
95th Coolest
Coolest since:
1918
33rd Warmest
Warmest to Date
2017
Ties: 1939, 1957
Nov 1901–Apr 1903
18-Month
47.1°F
(8.4°C)
47.5°F
(8.6°C)
-0.4°F
(-0.2°C)
36th Coolest
Coolest since:
1905, 1918
91st Warmest
Warmest since:
2017
Ties: 1908, 1919, 1960
May 1901–Apr 1903
24-Month
52.2°F
(11.2°C)
52.2°F
(11.2°C)
0.0°F
(0.0°C)
51st Coolest
Coolest since:
1978
76th Warmest
Warmest since:
2017
Ties: 1899, 1909, 1928, 1936, 1944, 1947, 1958, 2014
May 1900–Apr 1903
36-Month
52.4°F
(11.3°C)
52.1°F
(11.2°C)
0.3°F
(0.1°C)
67th Coolest
Coolest since:
1979
59th Warmest
Warmest since:
2018
Ties: 1899, 1936, 1942, 1973, 1975
May 1899–Apr 1903
48-Month
52.5°F
(11.4°C)
52.2°F
(11.2°C)
0.3°F
(0.2°C)
70th Coolest
Coolest since:
1980
55th Warmest
Warmest since:
2019
Ties: 1901, 1936, 1939, 1944, 1947, 1951, 1952, 1953, 1975, 1995
May 1898–Apr 1903
60-Month
52.3°F
(11.3°C)
52.2°F
(11.2°C)
0.1°F
(0.1°C)
53rd Coolest
Coolest since:
1981
71st Warmest
Warmest since:
2020
Ties: 1910, 1922, 1940, 1944, 1974

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