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 1990

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
April 1990
1-Month
50.6°F
(10.3°C)
45.7°F
(7.6°C)
4.9°F
(2.7°C)
122nd Coolest
Coolest since:
1975
7th Warmest
Warmest since:
1934
Ties: 1930
Mar–Apr 1990
2-Month
46.4°F
(8.0°C)
42.1°F
(5.6°C)
4.3°F
(2.4°C)
121st Coolest
Coolest since:
1917
8th Warmest
Warmest since:
1934
Feb–Apr 1990
3-Month
40.8°F
(4.9°C)
38.9°F
(3.8°C)
1.9°F
(1.1°C)
99th Coolest
Coolest since:
1903
30th Warmest
Warmest since:
1934
Ties: 1994
Jan–Apr 1990
4-Month
38.3°F
(3.5°C)
36.3°F
(2.4°C)
2.0°F
(1.1°C)
102nd Coolest
Coolest since:
1917
27th Warmest
Warmest since:
1934
Ties: 1972, 2022
Dec 1989–Apr 1990
5-Month
37.0°F
(2.8°C)
34.9°F
(1.6°C)
2.1°F
(1.2°C)
103rd Coolest
Coolest since:
1917
25th Warmest
Warmest since:
1934
Ties: 2017
Nov 1989–Apr 1990
6-Month
37.5°F
(3.1°C)
35.4°F
(1.9°C)
2.1°F
(1.2°C)
109th Coolest
Coolest since:
1917
19th Warmest
Warmest since:
1934
Ties: 1918, 1954
Oct 1989–Apr 1990
7-Month
39.1°F
(3.9°C)
37.4°F
(3.0°C)
1.7°F
(0.9°C)
103rd Coolest
Coolest since:
1917
25th Warmest
Warmest since:
1934
Ties: 1926, 1930
Sep 1989–Apr 1990
8-Month
41.9°F
(5.5°C)
40.4°F
(4.7°C)
1.5°F
(0.8°C)
101st Coolest
Coolest since:
1917
27th Warmest
Warmest since:
1934
Aug 1989–Apr 1990
9-Month
44.8°F
(7.1°C)
43.6°F
(6.4°C)
1.2°F
(0.7°C)
97th Coolest
Coolest since:
1917
31st Warmest
Warmest since:
1934
Ties: 1935
Jul 1989–Apr 1990
10-Month
47.7°F
(8.7°C)
46.4°F
(8.0°C)
1.3°F
(0.7°C)
99th Coolest
Coolest since:
1917
29th Warmest
Warmest since:
1934
Ties: 1930, 1935, 1953, 1997, 2006
Jun 1989–Apr 1990
11-Month
49.2°F
(9.6°C)
47.9°F
(8.8°C)
1.3°F
(0.8°C)
98th Coolest
Coolest since:
1917
30th Warmest
Warmest since:
1934
Ties: 1954, 2020
May 1989–Apr 1990
12-Month
49.7°F
(9.8°C)
48.4°F
(9.1°C)
1.3°F
(0.7°C)
99th Coolest
Coolest since:
1917
29th Warmest
Warmest since:
2015
Ties: 1986
Nov 1988–Apr 1990
18-Month
44.9°F
(7.2°C)
44.1°F
(6.7°C)
0.8°F
(0.5°C)
88th Coolest
Coolest since:
1933, 1949
39th Warmest
Warmest since:
2015
Ties: 1954, 1960, 1961, 2020
May 1988–Apr 1990
24-Month
49.6°F
(9.8°C)
48.4°F
(9.1°C)
1.2°F
(0.7°C)
103rd Coolest
Coolest since:
1913, 1917
24th Warmest
Warmest since:
2015, 2016
Ties: 1998, 2000
May 1987–Apr 1990
36-Month
49.5°F
(9.7°C)
48.4°F
(9.1°C)
1.1°F
(0.6°C)
103rd Coolest
Coolest since:
1914, 1917
23rd Warmest
Warmest since:
2016, 2017
Ties: 1940, 1941, 1982, 1996, 2000, 2001, 2010
May 1986–Apr 1990
48-Month
49.4°F
(9.7°C)
48.4°F
(9.1°C)
1.0°F
(0.6°C)
101st Coolest
Coolest since:
1915, 1917
24th Warmest
Warmest since:
2018
Ties: 1989, 1992, 1999, 2013
May 1985–Apr 1990
60-Month
49.4°F
(9.7°C)
48.4°F
(9.1°C)
1.0°F
(0.6°C)
98th Coolest
Coolest since:
1917
26th Warmest
Warmest since:
2018
Ties: 1992, 1996, 1997, 2012

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