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 1991

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1991
1-Month
62.5°F
(16.9°C)
60.8°F
(16.0°C)
1.7°F
(0.9°C)
89th Coolest
Coolest since:
1912
40th Warmest
Warmest since:
2022
Ties: 1951, 1966
Aug–Sep 1991
2-Month
66.6°F
(19.2°C)
65.1°F
(18.4°C)
1.5°F
(0.8°C)
101st Coolest
Coolest since:
1900
28th Warmest
Warmest since:
2020
Ties: 1922, 1943, 1960, 1966, 1997, 2007, 2017
Jul–Sep 1991
3-Month
68.6°F
(20.3°C)
67.2°F
(19.6°C)
1.4°F
(0.7°C)
98th Coolest
Coolest since:
1912
31st Warmest
Warmest since:
2022
Ties: 1953, 1996, 2010, 2016
Jun–Sep 1991
4-Month
66.9°F
(19.4°C)
66.2°F
(19.0°C)
0.7°F
(0.4°C)
80th Coolest
Coolest since:
1907
49th Warmest
Warmest since:
2021
Ties: 1910, 1934, 1967, 1992
May–Sep 1991
5-Month
63.6°F
(17.6°C)
63.8°F
(17.7°C)
-0.2°F
(-0.1°C)
46th Coolest
Coolest since:
1907, 1965
83rd Warmest
Warmest since:
2021
Ties: 1925, 1943, 1976
Apr–Sep 1991
6-Month
60.2°F
(15.7°C)
60.8°F
(16.0°C)
-0.6°F
(-0.3°C)
37th Coolest
Coolest since:
1912
92nd Warmest
Warmest since:
2021
Ties: 1902, 1948, 1950, 1957, 1963, 1980
Mar–Sep 1991
7-Month
56.8°F
(13.8°C)
57.6°F
(14.2°C)
-0.8°F
(-0.4°C)
28th Coolest
Coolest since:
1912
101st Warmest
Warmest since:
1934, 2007, 2021
Ties: 1909, 1942, 1963, 1971, 1980
Feb–Sep 1991
8-Month
54.6°F
(12.6°C)
54.5°F
(12.5°C)
0.1°F
(0.1°C)
59th Coolest
Coolest since:
1903
70th Warmest
Warmest since:
1934, 2015
Ties: 1904, 1918, 1937, 1951
Jan–Sep 1991
9-Month
51.6°F
(10.9°C)
51.6°F
(10.9°C)
0.0°F
(0.0°C)
51st Coolest
Coolest since:
1917
78th Warmest
Warmest since:
2015
Ties: 1905, 1909, 1924, 1967, 2011
Dec 1990–Sep 1991
10-Month
48.6°F
(9.2°C)
49.4°F
(9.7°C)
-0.8°F
(-0.5°C)
28th Coolest
Coolest since:
1917
100th Warmest
Warmest since:
2015
Ties: 1920, 1962
Nov 1990–Sep 1991
11-Month
47.7°F
(8.7°C)
48.4°F
(9.1°C)
-0.7°F
(-0.4°C)
32nd Coolest
Coolest since:
1917
96th Warmest
Warmest since:
2015
Ties: 1985
Oct 1990–Sep 1991
12-Month
47.9°F
(8.8°C)
48.4°F
(9.1°C)
-0.5°F
(-0.3°C)
33rd Coolest
Coolest since:
1917
95th Warmest
Warmest since:
2015
Ties: 1915, 1922, 1957
Apr 1990–Sep 1991
18-Month
52.9°F
(11.6°C)
52.6°F
(11.4°C)
0.3°F
(0.2°C)
70th Coolest
Coolest since:
1917
58th Warmest
Warmest since:
2015
Ties: 1919, 1947, 1998, 2010
Oct 1989–Sep 1991
24-Month
48.9°F
(9.4°C)
48.4°F
(9.1°C)
0.5°F
(0.3°C)
77th Coolest
Coolest since:
1913
50th Warmest
Warmest since:
2016
Ties: 1926, 1931, 1939, 1994
Oct 1988–Sep 1991
36-Month
49.0°F
(9.4°C)
48.4°F
(9.1°C)
0.6°F
(0.3°C)
85th Coolest
Coolest since:
1917
41st Warmest
Warmest since:
2017
Ties: 1999
Oct 1987–Sep 1991
48-Month
49.1°F
(9.5°C)
48.4°F
(9.1°C)
0.7°F
(0.4°C)
89th Coolest
Coolest since:
1915
36th Warmest
Warmest since:
2018
Ties: 1943, 1994
Oct 1986–Sep 1991
60-Month
49.2°F
(9.6°C)
48.4°F
(9.1°C)
0.8°F
(0.5°C)
93rd Coolest
Coolest since:
1917
31st Warmest
Warmest since:
2018
Ties: 1981, 1999

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