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 1910

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Warmest/Coolest
Since
Record
May 1910
1-Month
57.2°F
(14.0°C)
54.3°F
(12.4°C)
2.9°F
(1.6°C)
103rd Coolest
Coolest since:
1953
26th Warmest
Warmest since:
1934
Ties: 1963, 2012, 2018
Apr–May 1910
2-Month
53.6°F
(12.0°C)
50.0°F
(10.0°C)
3.6°F
(2.0°C)
123rd Coolest
Coolest since:
1975
6th Warmest
Warmest to Date
1934
Mar–May 1910
3-Month
50.7°F
(10.4°C)
46.1°F
(7.8°C)
4.6°F
(2.6°C)
126th Coolest
Coolest since:
1917
3rd Warmest
Warmest to Date
1934
Feb–May 1910
4-Month
45.1°F
(7.3°C)
42.8°F
(6.0°C)
2.3°F
(1.3°C)
111th Coolest
Coolest since:
1933
18th Warmest
Warmest to Date
1934
Ties: 2020
Jan–May 1910
5-Month
40.7°F
(4.8°C)
39.9°F
(4.4°C)
0.8°F
(0.4°C)
82nd Coolest
Coolest since:
1917
47th Warmest
Warmest since:
1934
Ties: 1999
Dec 1909–May 1910
6-Month
37.6°F
(3.1°C)
38.2°F
(3.4°C)
-0.6°F
(-0.3°C)
35th Coolest
Coolest since:
1917
93rd Warmest
Warmest since:
1934
Ties: 1950, 1971
Nov 1909–May 1910
7-Month
37.7°F
(3.2°C)
38.1°F
(3.4°C)
-0.4°F
(-0.2°C)
39th Coolest
Coolest since:
1917
89th Warmest
Warmest since:
1934
Ties: 1919, 1965, 2008
Oct 1909–May 1910
8-Month
39.2°F
(4.0°C)
39.6°F
(4.2°C)
-0.4°F
(-0.2°C)
39th Coolest
Coolest since:
1917
89th Warmest
Warmest since:
1934
Ties: 1897, 1915, 1977, 1993
Sep 1909–May 1910
9-Month
41.4°F
(5.2°C)
41.9°F
(5.5°C)
-0.5°F
(-0.3°C)
32nd Coolest
Coolest since:
1917
96th Warmest
Warmest since:
1934
Ties: 1897, 1945, 1972, 1991, 2010
Aug 1909–May 1910
10-Month
44.3°F
(6.8°C)
44.7°F
(7.1°C)
-0.4°F
(-0.3°C)
40th Coolest
Coolest since:
1917
88th Warmest
Warmest since:
1934
Ties: 1923, 1960
Jul 1909–May 1910
11-Month
46.6°F
(8.1°C)
47.1°F
(8.4°C)
-0.5°F
(-0.3°C)
36th Coolest
Coolest since:
1917
92nd Warmest
Warmest since:
1934
Ties: 1969
Jun 1909–May 1910
12-Month
48.2°F
(9.0°C)
48.4°F
(9.1°C)
-0.2°F
(-0.1°C)
42nd Coolest
Coolest since:
1917
86th Warmest
Warmest since:
1934
Ties: 1901, 1965
Dec 1908–May 1910
18-Month
44.8°F
(7.1°C)
45.0°F
(7.2°C)
-0.2°F
(-0.1°C)
46th Coolest
Coolest since:
1917, 1933
81st Warmest
Warmest since:
2015
Ties: 1966
Jun 1908–May 1910
24-Month
47.7°F
(8.7°C)
48.4°F
(9.1°C)
-0.7°F
(-0.4°C)
13th Coolest
Coolest since:
1917
114th Warmest
Warmest since:
2015, 2016
Ties: 1897, 1898, 1903, 1932, 1946, 1956, 1985
Jun 1907–May 1910
36-Month
47.7°F
(8.7°C)
48.4°F
(9.1°C)
-0.7°F
(-0.4°C)
13th Coolest
Coolest since:
1917
113th Warmest
Warmest since:
2017
Ties: 1908, 1973, 1985
Jun 1906–May 1910
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, 1924, 1932, 1947, 1948, 1975, 1976
Jun 1905–May 1910
60-Month
47.7°F
(8.7°C)
48.4°F
(9.1°C)
-0.7°F
(-0.4°C)
9th Coolest
Coolest to Date
1917
115th Warmest
Warmest since:
2018
Ties: 1912, 1914, 1918, 1919, 1920, 1921

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