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.

Great Basin

Average Temperature Rankings, September 1901

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1901
1-Month
57.7°F
(14.3°C)
60.8°F
(16.0°C)
-3.1°F
(-1.7°C)
10th Coolest
Coolest since:
1912
119th Warmest
Warmest since:
2022
Aug–Sep 1901
2-Month
63.8°F
(17.7°C)
65.1°F
(18.4°C)
-1.3°F
(-0.7°C)
16th Coolest
Coolest since:
1900
113th Warmest
Warmest since:
2020
Ties: 1954, 1959, 1961, 1964, 1972
Jul–Sep 1901
3-Month
66.9°F
(19.4°C)
67.2°F
(19.6°C)
-0.3°F
(-0.2°C)
42nd Coolest
Coolest since:
1912
87th Warmest
Warmest since:
2022
Ties: 1914, 1930, 1954, 1957
Jun–Sep 1901
4-Month
65.5°F
(18.6°C)
66.3°F
(19.1°C)
-0.8°F
(-0.5°C)
28th Coolest
Coolest since:
1907
101st Warmest
Warmest since:
2021
Ties: 1950
May–Sep 1901
5-Month
63.7°F
(17.6°C)
63.9°F
(17.7°C)
-0.2°F
(-0.1°C)
50th Coolest
Coolest since:
1907, 1965
79th Warmest
Warmest since:
2021
Ties: 1914
Apr–Sep 1901
6-Month
60.4°F
(15.8°C)
60.8°F
(16.0°C)
-0.4°F
(-0.2°C)
48th Coolest
Coolest since:
1912
81st Warmest
Warmest since:
2021
Ties: 2010
Mar–Sep 1901
7-Month
57.1°F
(13.9°C)
57.6°F
(14.2°C)
-0.5°F
(-0.3°C)
41st Coolest
Coolest since:
1912
88th Warmest
Warmest since:
1934, 2007, 2021
Ties: 1905, 1927, 1929, 1952, 1973, 1998
Feb–Sep 1901
8-Month
53.9°F
(12.2°C)
54.5°F
(12.5°C)
-0.6°F
(-0.3°C)
34th Coolest
Coolest since:
1903
95th Warmest
Warmest since:
1934, 2015
Ties: 1902, 1973, 1976, 1993
Jan–Sep 1901
9-Month
51.2°F
(10.7°C)
51.6°F
(10.9°C)
-0.4°F
(-0.2°C)
40th Coolest
Coolest since:
1917
89th Warmest
Warmest since:
2015
Ties: 1985
Dec 1900–Sep 1901
10-Month
49.3°F
(9.6°C)
49.4°F
(9.7°C)
-0.1°F
(-0.1°C)
52nd Coolest
Coolest since:
1917
76th Warmest
Warmest since:
2015
Ties: 1910
Nov 1900–Sep 1901
11-Month
48.4°F
(9.1°C)
48.3°F
(9.1°C)
0.1°F
(0.0°C)
55th Coolest
Coolest since:
1917
73rd Warmest
Warmest since:
2015
Ties: 1902, 1946, 1953, 1980
Oct 1900–Sep 1901
12-Month
48.4°F
(9.1°C)
48.5°F
(9.2°C)
-0.1°F
(-0.1°C)
54th Coolest
Coolest since:
1917
74th Warmest
Warmest since:
2015
Ties: 1910, 1968
Apr 1900–Sep 1901
18-Month
52.2°F
(11.2°C)
52.5°F
(11.4°C)
-0.3°F
(-0.2°C)
36th Coolest
Coolest since:
1917
92nd Warmest
Warmest since:
2015
Ties: 1898, 1904, 1915, 1932, 1937, 1946, 1966, 1968, 1972
Oct 1899–Sep 1901
24-Month
48.6°F
(9.2°C)
48.4°F
(9.1°C)
0.2°F
(0.1°C)
71st Coolest
Coolest since:
1913
56th Warmest
Warmest to Date
2016
Ties: 1947, 1969, 1999
Oct 1898–Sep 1901
36-Month
48.0°F
(8.9°C)
48.4°F
(9.1°C)
-0.4°F
(-0.2°C)
32nd Coolest
Coolest since:
1917
94th Warmest
Warmest to Date
2017
Ties: 1923, 1944, 1945, 1966, 1977, 1984
Oct 1897–Sep 1901
48-Month
47.9°F
(8.8°C)
48.4°F
(9.1°C)
-0.5°F
(-0.3°C)
23rd Coolest
Coolest since:
1915
102nd Warmest
Warmest to Date
2018
Ties: 1907, 1919, 1932, 1945, 1947, 1973, 1975, 1985
Oct 1896–Sep 1901
60-Month
47.9°F
(8.8°C)
48.4°F
(9.1°C)
-0.5°F
(-0.3°C)
20th Coolest
Coolest since:
1917
104th Warmest
Warmest to Date
2018
Ties: 1903, 1919, 1921, 1945, 1951, 1953, 1975, 1976

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