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 1898

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1898
1-Month
60.7°F
(15.9°C)
60.8°F
(16.0°C)
-0.1°F
(-0.1°C)
54th Coolest
Coolest since:
1912
75th Warmest
Warmest to Date
2022
Ties: 1954, 2017
Aug–Sep 1898
2-Month
66.4°F
(19.1°C)
65.2°F
(18.4°C)
1.2°F
(0.7°C)
93rd Coolest
Coolest since:
1900
36th Warmest
Warmest to Date
2020
Ties: 1919, 1934, 1979, 2013, 2014
Jul–Sep 1898
3-Month
68.3°F
(20.2°C)
67.2°F
(19.6°C)
1.1°F
(0.6°C)
90th Coolest
Coolest since:
1912
39th Warmest
Warmest to Date
2022
Ties: 1988, 2005, 2006
Jun–Sep 1898
4-Month
67.3°F
(19.6°C)
66.2°F
(19.0°C)
1.1°F
(0.6°C)
91st Coolest
Coolest since:
1907
38th Warmest
Warmest to Date
2021
Ties: 1918, 1936
May–Sep 1898
5-Month
64.2°F
(17.9°C)
63.8°F
(17.7°C)
0.4°F
(0.2°C)
74th Coolest
Coolest since:
1907, 1965
55th Warmest
Warmest since:
2021
Ties: 1918, 1933, 1972, 1973
Apr–Sep 1898
6-Month
61.9°F
(16.6°C)
60.9°F
(16.1°C)
1.0°F
(0.5°C)
90th Coolest
Coolest since:
1912
39th Warmest
Warmest to Date
2021
Ties: 1985
Mar–Sep 1898
7-Month
57.8°F
(14.3°C)
57.7°F
(14.3°C)
0.1°F
(0.0°C)
67th Coolest
Coolest since:
1912
62nd Warmest
Warmest to Date
1934, 2007, 2021
Ties: 1958
Feb–Sep 1898
8-Month
54.8°F
(12.7°C)
54.4°F
(12.4°C)
0.4°F
(0.3°C)
74th Coolest
Coolest since:
1903
55th Warmest
Warmest to Date
1934, 2015
Ties: 1935, 1963, 1995
Jan–Sep 1898
9-Month
51.0°F
(10.6°C)
51.6°F
(10.9°C)
-0.6°F
(-0.3°C)
33rd Coolest
Coolest since:
1917
96th Warmest
Warmest since:
2015
Ties: 1902, 1950, 1984
Dec 1897–Sep 1898
10-Month
48.5°F
(9.2°C)
49.4°F
(9.7°C)
-0.9°F
(-0.5°C)
26th Coolest
Coolest since:
1917
102nd Warmest
Warmest since:
2015
Ties: 1979
Nov 1897–Sep 1898
11-Month
47.6°F
(8.7°C)
48.3°F
(9.1°C)
-0.7°F
(-0.4°C)
29th Coolest
Coolest since:
1917
99th Warmest
Warmest since:
2015
Ties: 1907, 1915
Oct 1897–Sep 1898
12-Month
47.6°F
(8.7°C)
48.5°F
(9.2°C)
-0.9°F
(-0.5°C)
27th Coolest
Coolest since:
1917
101st Warmest
Warmest since:
2015
Ties: 1896
Apr 1897–Sep 1898
18-Month
52.2°F
(11.2°C)
52.6°F
(11.4°C)
-0.4°F
(-0.2°C)
36th Coolest
Coolest since:
1917
92nd Warmest
Warmest to Date
2015
Ties: 1901, 1904, 1915, 1932, 1937, 1946, 1966, 1968, 1972
Oct 1896–Sep 1898
24-Month
47.8°F
(8.8°C)
48.5°F
(9.2°C)
-0.7°F
(-0.4°C)
21st Coolest
Coolest since:
1913
106th Warmest
Warmest since:
2016
Ties: 1897, 1921, 1942
Oct 1895–Sep 1898
36-Month
47.7°F
(8.7°C)
48.4°F
(9.1°C)
-0.7°F
(-0.4°C)
11th Coolest
Coolest since:
1917
115th Warmest
Warmest to Date
2017
Ties: 1907, 1915, 1946, 1973, 1975

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