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 1998

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1998
1-Month
62.3°F
(16.8°C)
60.8°F
(16.0°C)
1.5°F
(0.8°C)
85th Coolest
Coolest since:
1912
44th Warmest
Warmest since:
2022
Ties: 1997
Aug–Sep 1998
2-Month
67.2°F
(19.6°C)
65.1°F
(18.4°C)
2.1°F
(1.2°C)
112th Coolest
Coolest since:
1900
17th Warmest
Warmest since:
2020
Ties: 1935, 1958, 1990
Jul–Sep 1998
3-Month
69.2°F
(20.7°C)
67.2°F
(19.6°C)
2.0°F
(1.1°C)
111th Coolest
Coolest since:
1912
18th Warmest
Warmest since:
2022
Ties: 1931, 1937, 2002, 2011
Jun–Sep 1998
4-Month
66.6°F
(19.2°C)
66.2°F
(19.0°C)
0.4°F
(0.2°C)
68th Coolest
Coolest since:
1907
61st Warmest
Warmest since:
2021
Ties: 1946, 1997
May–Sep 1998
5-Month
63.4°F
(17.4°C)
63.8°F
(17.7°C)
-0.4°F
(-0.3°C)
40th Coolest
Coolest since:
1907, 1965
89th Warmest
Warmest since:
2021
Ties: 1942, 1955, 1957
Apr–Sep 1998
6-Month
60.1°F
(15.6°C)
60.9°F
(16.1°C)
-0.8°F
(-0.5°C)
34th Coolest
Coolest since:
1912
95th Warmest
Warmest since:
2021
Ties: 1909, 1915
Mar–Sep 1998
7-Month
57.1°F
(13.9°C)
57.7°F
(14.3°C)
-0.6°F
(-0.4°C)
41st Coolest
Coolest since:
1912
88th Warmest
Warmest since:
1934, 2007, 2021
Ties: 1901, 1905, 1927, 1929, 1952, 1973
Feb–Sep 1998
8-Month
54.0°F
(12.2°C)
54.5°F
(12.5°C)
-0.5°F
(-0.3°C)
39th Coolest
Coolest since:
1903
90th Warmest
Warmest since:
1934, 2015
Ties: 1953
Jan–Sep 1998
9-Month
51.8°F
(11.0°C)
51.6°F
(10.9°C)
0.2°F
(0.1°C)
60th Coolest
Coolest since:
1917
69th Warmest
Warmest since:
2015
Ties: 1927, 1939, 1951, 1980, 2010
Dec 1997–Sep 1998
10-Month
49.4°F
(9.7°C)
49.4°F
(9.7°C)
0.0°F
(0.0°C)
54th Coolest
Coolest since:
1917
74th Warmest
Warmest since:
2015
Ties: 1905, 1927, 1967
Nov 1997–Sep 1998
11-Month
48.5°F
(9.2°C)
48.3°F
(9.1°C)
0.2°F
(0.1°C)
60th Coolest
Coolest since:
1917
68th Warmest
Warmest since:
2015
Ties: 1967
Oct 1997–Sep 1998
12-Month
48.6°F
(9.2°C)
48.5°F
(9.2°C)
0.1°F
(0.0°C)
59th Coolest
Coolest since:
1917
69th Warmest
Warmest since:
2015
Ties: 1914, 1946, 1947, 1967, 1999
Apr 1997–Sep 1998
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, 1991, 2010
Oct 1996–Sep 1998
24-Month
49.2°F
(9.6°C)
48.5°F
(9.2°C)
0.7°F
(0.4°C)
85th Coolest
Coolest since:
1913
42nd Warmest
Warmest since:
2016
Ties: 1936, 1978, 2010
Oct 1995–Sep 1998
36-Month
49.8°F
(9.9°C)
48.4°F
(9.1°C)
1.4°F
(0.8°C)
104th Coolest
Coolest since:
1917
22nd Warmest
Warmest since:
2017
Oct 1994–Sep 1998
48-Month
49.4°F
(9.7°C)
48.4°F
(9.1°C)
1.0°F
(0.6°C)
98th Coolest
Coolest since:
1915
27th Warmest
Warmest since:
2018
Ties: 1989, 2010
Oct 1993–Sep 1998
60-Month
49.6°F
(9.8°C)
48.4°F
(9.1°C)
1.2°F
(0.7°C)
104th Coolest
Coolest since:
1917
20th Warmest
Warmest since:
2018
Ties: 1996, 2010, 2013

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