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, May 1947

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 1947
1-Month
58.7°F
(14.8°C)
54.3°F
(12.4°C)
4.4°F
(2.4°C)
119th Coolest
Coolest since:
1953
10th Warmest
Warmest since:
1934
Ties: 1928
Apr–May 1947
2-Month
52.3°F
(11.3°C)
50.0°F
(10.0°C)
2.3°F
(1.3°C)
102nd Coolest
Coolest since:
1975
27th Warmest
Warmest since:
1934
Ties: 1994, 2009, 2021
Mar–May 1947
3-Month
48.6°F
(9.2°C)
46.1°F
(7.8°C)
2.5°F
(1.4°C)
108th Coolest
Coolest since:
1917
21st Warmest
Warmest since:
1934
Ties: 1936, 1993
Feb–May 1947
4-Month
45.8°F
(7.7°C)
42.8°F
(6.0°C)
3.0°F
(1.7°C)
118th Coolest
Coolest since:
1933
11th Warmest
Warmest since:
1934
Jan–May 1947
5-Month
41.7°F
(5.4°C)
39.9°F
(4.4°C)
1.8°F
(1.0°C)
100th Coolest
Coolest since:
1917
29th Warmest
Warmest since:
1934
Ties: 1928, 1936, 2001
Dec 1946–May 1947
6-Month
40.4°F
(4.7°C)
38.2°F
(3.4°C)
2.2°F
(1.3°C)
111th Coolest
Coolest since:
1917
17th Warmest
Warmest since:
1934
Ties: 1994, 1997
Nov 1946–May 1947
7-Month
39.6°F
(4.2°C)
38.1°F
(3.4°C)
1.5°F
(0.8°C)
99th Coolest
Coolest since:
1917
29th Warmest
Warmest since:
1934
Oct 1946–May 1947
8-Month
40.1°F
(4.5°C)
39.6°F
(4.2°C)
0.5°F
(0.3°C)
75th Coolest
Coolest since:
1917
53rd Warmest
Warmest since:
1934
Ties: 1908, 1953, 1988
Sep 1946–May 1947
9-Month
42.4°F
(5.8°C)
41.9°F
(5.5°C)
0.5°F
(0.3°C)
75th Coolest
Coolest since:
1917
53rd Warmest
Warmest since:
1934
Ties: 1907
Aug 1946–May 1947
10-Month
45.2°F
(7.3°C)
44.7°F
(7.1°C)
0.5°F
(0.2°C)
73rd Coolest
Coolest since:
1917
55th Warmest
Warmest since:
1934
Ties: 1927, 1982
Jul 1946–May 1947
11-Month
47.6°F
(8.7°C)
47.1°F
(8.4°C)
0.5°F
(0.3°C)
76th Coolest
Coolest since:
1917
52nd Warmest
Warmest since:
1934
Ties: 1902, 1927, 1982
Jun 1946–May 1947
12-Month
49.0°F
(9.4°C)
48.4°F
(9.1°C)
0.6°F
(0.3°C)
77th Coolest
Coolest since:
1917
51st Warmest
Warmest since:
1934
Ties: 1956, 1968, 1988
Dec 1945–May 1947
18-Month
45.4°F
(7.4°C)
45.0°F
(7.2°C)
0.4°F
(0.2°C)
77th Coolest
Coolest since:
1917, 1933
50th Warmest
Warmest since:
2015
Ties: 1901, 1986, 2010
Jun 1945–May 1947
24-Month
48.5°F
(9.2°C)
48.4°F
(9.1°C)
0.1°F
(0.1°C)
60th Coolest
Coolest since:
1917
67th Warmest
Warmest since:
2015, 2016
Ties: 1902, 1911, 1931, 1957, 1963, 1969, 1986, 1994, 2011
Jun 1944–May 1947
36-Month
48.1°F
(8.9°C)
48.4°F
(9.1°C)
-0.3°F
(-0.2°C)
36th Coolest
Coolest since:
1917
90th Warmest
Warmest since:
2017
Ties: 1911, 1923, 1925
Jun 1943–May 1947
48-Month
47.9°F
(8.8°C)
48.4°F
(9.1°C)
-0.5°F
(-0.3°C)
19th Coolest
Coolest since:
1917
106th Warmest
Warmest since:
2018
Ties: 1901, 1908, 1910, 1924, 1932, 1948, 1975, 1976
Jun 1942–May 1947
60-Month
48.3°F
(9.1°C)
48.4°F
(9.1°C)
-0.1°F
(0.0°C)
45th Coolest
Coolest since:
1917
79th Warmest
Warmest since:
2018
Ties: 1967, 1979

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