Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Great Basin

Average Temperature Rankings, April 1978

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2023)
Warmest/Coolest
Since
Record
April 1978
1-Month
44.5°F
(6.9°C)
45.7°F
(7.6°C)
-1.2°F
(-0.7°C)
44th Coolest
Coolest since:
1975
86th Warmest
Warmest since:
1934
Ties: 1928
Mar–Apr 1978
2-Month
44.0°F
(6.7°C)
42.1°F
(5.6°C)
1.9°F
(1.1°C)
96th Coolest
Coolest since:
1917
34th Warmest
Warmest since:
1934
Ties: 1959, 1996, 2018, 2019, 2020
Feb–Apr 1978
3-Month
40.9°F
(4.9°C)
38.9°F
(3.8°C)
2.0°F
(1.1°C)
102nd Coolest
Coolest since:
1903
28th Warmest
Warmest since:
1934
Ties: 1989
Jan–Apr 1978
4-Month
38.9°F
(3.8°C)
36.3°F
(2.4°C)
2.6°F
(1.4°C)
113th Coolest
Coolest since:
1917
17th Warmest
Warmest since:
1934
Ties: 1994, 2020
Dec 1977–Apr 1978
5-Month
38.2°F
(3.4°C)
34.9°F
(1.6°C)
3.3°F
(1.8°C)
122nd Coolest
Coolest since:
1917
7th Warmest
Warmest since:
1934
Ties: 1940
Nov 1977–Apr 1978
6-Month
38.5°F
(3.6°C)
35.4°F
(1.9°C)
3.1°F
(1.7°C)
121st Coolest
Coolest since:
1917
8th Warmest
Warmest since:
1934
Oct 1977–Apr 1978
7-Month
40.4°F
(4.7°C)
37.4°F
(3.0°C)
3.0°F
(1.7°C)
123rd Coolest
Coolest since:
1917
6th Warmest
Warmest since:
1934
Ties: 1981
Sep 1977–Apr 1978
8-Month
43.0°F
(6.1°C)
40.4°F
(4.7°C)
2.6°F
(1.4°C)
124th Coolest
Coolest since:
1917
5th Warmest
Warmest since:
1934
Ties: 1981, 1992, 2018
Aug 1977–Apr 1978
9-Month
46.0°F
(7.8°C)
43.6°F
(6.4°C)
2.4°F
(1.4°C)
121st Coolest
Coolest since:
1917
8th Warmest
Warmest since:
1934
Ties: 1959, 2016
Jul 1977–Apr 1978
10-Month
48.6°F
(9.2°C)
46.4°F
(8.0°C)
2.2°F
(1.2°C)
119th Coolest
Coolest since:
1917
10th Warmest
Warmest since:
1934
Ties: 1940, 2017
Jun 1977–Apr 1978
11-Month
50.3°F
(10.2°C)
47.9°F
(8.8°C)
2.4°F
(1.4°C)
119th Coolest
Coolest since:
1917
10th Warmest
Warmest since:
1934
May 1977–Apr 1978
12-Month
50.2°F
(10.1°C)
48.4°F
(9.1°C)
1.8°F
(1.0°C)
112th Coolest
Coolest since:
1917
17th Warmest
Warmest since:
2015
Ties: 2007
Nov 1976–Apr 1978
18-Month
45.5°F
(7.5°C)
44.1°F
(6.7°C)
1.4°F
(0.8°C)
107th Coolest
Coolest since:
1933, 1949
21st Warmest
Warmest since:
2015
Ties: 1959, 2002
May 1976–Apr 1978
24-Month
49.4°F
(9.7°C)
48.4°F
(9.1°C)
1.0°F
(0.6°C)
96th Coolest
Coolest since:
1913, 1917
32nd Warmest
Warmest since:
2015, 2016
Ties: 1927, 1987, 1989
May 1975–Apr 1978
36-Month
48.9°F
(9.4°C)
48.4°F
(9.1°C)
0.5°F
(0.3°C)
80th Coolest
Coolest since:
1914, 1917
47th Warmest
Warmest since:
2016, 2017
Ties: 1959, 1963, 1980, 1983
May 1974–Apr 1978
48-Month
48.7°F
(9.3°C)
48.4°F
(9.1°C)
0.3°F
(0.2°C)
70th Coolest
Coolest since:
1915, 1917
56th Warmest
Warmest since:
2018
Ties: 1929, 1954, 1970
May 1973–Apr 1978
60-Month
48.7°F
(9.3°C)
48.4°F
(9.1°C)
0.3°F
(0.2°C)
74th Coolest
Coolest since:
1917
51st Warmest
Warmest since:
2018
Ties: 1928, 1929, 1937, 1939, 1954

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