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 1899

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1899
1-Month
62.8°F
(17.1°C)
60.8°F
(16.0°C)
2.0°F
(1.1°C)
97th Coolest
Coolest since:
1912
32nd Warmest
Warmest to Date
2022
Ties: 1962, 1967
Aug–Sep 1899
2-Month
63.6°F
(17.6°C)
65.2°F
(18.4°C)
-1.6°F
(-0.8°C)
13th Coolest
Coolest since:
1900
116th Warmest
Warmest since:
2020
Ties: 1908, 1911
Jul–Sep 1899
3-Month
66.3°F
(19.1°C)
67.2°F
(19.6°C)
-0.9°F
(-0.5°C)
19th Coolest
Coolest since:
1912
110th Warmest
Warmest since:
2022
Ties: 1895, 1918
Jun–Sep 1899
4-Month
65.3°F
(18.5°C)
66.2°F
(19.0°C)
-0.9°F
(-0.5°C)
23rd Coolest
Coolest since:
1907
106th Warmest
Warmest since:
2021
Ties: 1982
May–Sep 1899
5-Month
62.1°F
(16.7°C)
63.9°F
(17.7°C)
-1.8°F
(-1.0°C)
6th Coolest
Coolest since:
1907, 1965
123rd Warmest
Warmest since:
2021
Ties: 1941
Apr–Sep 1899
6-Month
59.5°F
(15.3°C)
60.9°F
(16.1°C)
-1.4°F
(-0.8°C)
14th Coolest
Coolest since:
1912
115th Warmest
Warmest since:
2021
Ties: 1923
Mar–Sep 1899
7-Month
56.4°F
(13.6°C)
57.7°F
(14.3°C)
-1.3°F
(-0.7°C)
19th Coolest
Coolest since:
1912
110th Warmest
Warmest since:
1934, 2007, 2021
Ties: 1982
Feb–Sep 1899
8-Month
53.3°F
(11.8°C)
54.5°F
(12.5°C)
-1.2°F
(-0.7°C)
17th Coolest
Coolest since:
1903
112th Warmest
Warmest since:
1934, 2015
Ties: 1908, 1922
Jan–Sep 1899
9-Month
50.8°F
(10.4°C)
51.6°F
(10.9°C)
-0.8°F
(-0.5°C)
29th Coolest
Coolest since:
1917
100th Warmest
Warmest since:
2015
Ties: 1908, 1916, 1962
Dec 1898–Sep 1899
10-Month
48.2°F
(9.0°C)
49.4°F
(9.7°C)
-1.2°F
(-0.7°C)
18th Coolest
Coolest since:
1917
110th Warmest
Warmest since:
2015
Ties: 1923, 1965, 1993
Nov 1898–Sep 1899
11-Month
47.0°F
(8.3°C)
48.4°F
(9.1°C)
-1.4°F
(-0.8°C)
20th Coolest
Coolest since:
1917
108th Warmest
Warmest since:
2015
Ties: 1923, 1945
Oct 1898–Sep 1899
12-Month
46.9°F
(8.3°C)
48.4°F
(9.1°C)
-1.5°F
(-0.8°C)
10th Coolest
Coolest since:
1917
118th Warmest
Warmest since:
2015
Ties: 1944, 1952, 1973
Apr 1898–Sep 1899
18-Month
51.9°F
(11.1°C)
52.6°F
(11.4°C)
-0.7°F
(-0.3°C)
25th Coolest
Coolest since:
1917
103rd Warmest
Warmest since:
2015
Ties: 1897, 1923, 1924, 1971, 1975, 1984, 1985
Oct 1897–Sep 1899
24-Month
47.2°F
(8.4°C)
48.4°F
(9.1°C)
-1.2°F
(-0.7°C)
6th Coolest
Coolest since:
1913
121st Warmest
Warmest since:
2016
Ties: 1912, 1945
Oct 1896–Sep 1899
36-Month
47.5°F
(8.6°C)
48.4°F
(9.1°C)
-0.9°F
(-0.5°C)
7th Coolest
Coolest since:
1917
119th Warmest
Warmest since:
2017
Oct 1895–Sep 1899
48-Month
47.5°F
(8.6°C)
48.4°F
(9.1°C)
-0.9°F
(-0.5°C)
6th Coolest
Coolest since:
1915
119th Warmest
Warmest to Date
2018

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