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 1909

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1909
1-Month
59.5°F
(15.3°C)
60.8°F
(16.0°C)
-1.3°F
(-0.7°C)
29th Coolest
Coolest since:
1912
100th Warmest
Warmest since:
2022
Ties: 1906
Aug–Sep 1909
2-Month
64.6°F
(18.1°C)
65.1°F
(18.4°C)
-0.5°F
(-0.3°C)
37th Coolest
Coolest since:
1900
92nd Warmest
Warmest since:
2020
Ties: 1913, 1924, 1950, 1989
Jul–Sep 1909
3-Month
66.4°F
(19.1°C)
67.3°F
(19.6°C)
-0.9°F
(-0.5°C)
22nd Coolest
Coolest since:
1912
107th Warmest
Warmest since:
2022
Jun–Sep 1909
4-Month
66.1°F
(18.9°C)
66.2°F
(19.0°C)
-0.1°F
(-0.1°C)
44th Coolest
Coolest since:
1907
85th Warmest
Warmest since:
2021
Ties: 1970, 1973
May–Sep 1909
5-Month
63.2°F
(17.3°C)
63.9°F
(17.7°C)
-0.7°F
(-0.4°C)
31st Coolest
Coolest since:
1907, 1965
98th Warmest
Warmest since:
2021
Ties: 1917, 1971
Apr–Sep 1909
6-Month
60.1°F
(15.6°C)
60.8°F
(16.0°C)
-0.7°F
(-0.4°C)
34th Coolest
Coolest since:
1912
95th Warmest
Warmest since:
2021
Ties: 1915, 1998
Mar–Sep 1909
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: 1942, 1963, 1971, 1980, 1991
Feb–Sep 1909
8-Month
53.8°F
(12.1°C)
54.5°F
(12.5°C)
-0.7°F
(-0.4°C)
31st Coolest
Coolest since:
1903
98th Warmest
Warmest since:
1934, 2015
Ties: 1932, 1971
Jan–Sep 1909
9-Month
51.6°F
(10.9°C)
51.5°F
(10.8°C)
0.1°F
(0.1°C)
51st Coolest
Coolest since:
1917
78th Warmest
Warmest since:
2015
Ties: 1905, 1924, 1967, 1991, 2011
Dec 1908–Sep 1909
10-Month
49.2°F
(9.6°C)
49.4°F
(9.7°C)
-0.2°F
(-0.1°C)
47th Coolest
Coolest since:
1917
81st Warmest
Warmest since:
2015
Ties: 1924, 1925, 1941, 1957
Nov 1908–Sep 1909
11-Month
48.1°F
(8.9°C)
48.3°F
(9.1°C)
-0.2°F
(-0.2°C)
41st Coolest
Coolest since:
1917
87th Warmest
Warmest since:
2015
Ties: 1911, 1925, 1968
Oct 1908–Sep 1909
12-Month
47.8°F
(8.8°C)
48.4°F
(9.1°C)
-0.6°F
(-0.3°C)
31st Coolest
Coolest since:
1917
97th Warmest
Warmest since:
2015
Ties: 1979
Apr 1908–Sep 1909
18-Month
51.6°F
(10.9°C)
52.5°F
(11.4°C)
-0.9°F
(-0.5°C)
12th Coolest
Coolest since:
1917
116th Warmest
Warmest since:
2015
Ties: 1973, 1983
Oct 1907–Sep 1909
24-Month
48.1°F
(8.9°C)
48.5°F
(9.2°C)
-0.4°F
(-0.3°C)
37th Coolest
Coolest since:
1913
90th Warmest
Warmest since:
2016
Ties: 1910, 1925, 1930, 1946, 1964, 1971, 1975
Oct 1906–Sep 1909
36-Month
47.9°F
(8.8°C)
48.4°F
(9.1°C)
-0.5°F
(-0.3°C)
21st Coolest
Coolest since:
1917
105th Warmest
Warmest since:
2017
Ties: 1903, 1904, 1905, 1906, 1919, 1922, 1951, 1957, 1964, 1965
Oct 1905–Sep 1909
48-Month
47.7°F
(8.7°C)
48.4°F
(9.1°C)
-0.7°F
(-0.4°C)
11th Coolest
Coolest since:
1915
114th Warmest
Warmest since:
2018
Ties: 1918, 1923, 1933, 1952
Oct 1904–Sep 1909
60-Month
47.8°F
(8.8°C)
48.4°F
(9.1°C)
-0.6°F
(-0.3°C)
12th Coolest
Coolest since:
1917
112th Warmest
Warmest since:
2018
Ties: 1900, 1906, 1910, 1912, 1918, 1924, 1948

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