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, December 1917

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 1917
1-Month
37.4°F
(3.0°C)
29.7°F
(-1.3°C)
7.7°F
(4.3°C)
128th Coolest
Coolest since:
1909, 1932
1st Warmest
Warmest to Date
1917
Nov–Dec 1917
2-Month
39.2°F
(4.0°C)
33.6°F
(0.9°C)
5.6°F
(3.1°C)
128th Coolest
Coolest since:
1931
1st Warmest
Warmest to Date
1917
Oct–Dec 1917
3-Month
43.3°F
(6.3°C)
39.0°F
(3.9°C)
4.3°F
(2.4°C)
127th Coolest
Coolest since:
1919
2nd Warmest
Warmest to Date
1950
Sep–Dec 1917
4-Month
47.8°F
(8.8°C)
44.5°F
(6.9°C)
3.3°F
(1.9°C)
124th Coolest
Coolest since:
1971
5th Warmest
Warmest to Date
2014
Aug–Dec 1917
5-Month
52.1°F
(11.2°C)
49.4°F
(9.7°C)
2.7°F
(1.5°C)
120th Coolest
Coolest since:
1916
9th Warmest
Warmest to Date
2020
Ties: 2001, 2021
Jul–Dec 1917
6-Month
55.8°F
(13.2°C)
53.2°F
(11.8°C)
2.6°F
(1.4°C)
123rd Coolest
Coolest since:
1916
6th Warmest
Warmest to Date
2020
Ties: 2003, 2017
Jun–Dec 1917
7-Month
56.7°F
(13.7°C)
54.5°F
(12.5°C)
2.2°F
(1.2°C)
115th Coolest
Coolest since:
1916
14th Warmest
Warmest to Date
2021
Ties: 1937, 2015
May–Dec 1917
8-Month
55.7°F
(13.2°C)
54.5°F
(12.5°C)
1.2°F
(0.7°C)
99th Coolest
Coolest since:
1916
30th Warmest
Warmest since:
2021
Ties: 1966, 1999, 2000, 2013
Apr–Dec 1917
9-Month
54.2°F
(12.3°C)
53.5°F
(11.9°C)
0.7°F
(0.4°C)
85th Coolest
Coolest since:
1912
44th Warmest
Warmest since:
2021
Ties: 1901, 1959, 1969, 1974, 1979
Mar–Dec 1917
10-Month
51.9°F
(11.1°C)
52.0°F
(11.1°C)
-0.1°F
(0.0°C)
51st Coolest
Coolest since:
1912
78th Warmest
Warmest since:
1934, 2021
Ties: 1919, 1927, 1956, 1961, 1973
Feb–Dec 1917
11-Month
49.7°F
(9.8°C)
50.2°F
(10.1°C)
-0.5°F
(-0.3°C)
33rd Coolest
Coolest since:
1911, 1912
96th Warmest
Warmest since:
1934
Ties: 1902, 1949, 1952, 1970, 1998
Jan–Dec 1917
12-Month
47.0°F
(8.3°C)
48.5°F
(9.2°C)
-1.5°F
(-0.9°C)
12th Coolest
Coolest since:
1944
117th Warmest
Warmest since:
1934
Ties: 1898, 1922, 1932, 1948, 1975, 1982
Jul 1916–Dec 1917
18-Month
48.0°F
(8.9°C)
50.0°F
(10.0°C)
-2.0°F
(-1.1°C)
3rd Coolest
Coolest since:
1912, 1913
125th Warmest
Warmest since:
1934
Jan 1916–Dec 1917
24-Month
46.9°F
(8.3°C)
48.4°F
(9.1°C)
-1.5°F
(-0.8°C)
4th Coolest
Coolest since:
1912, 1913
124th Warmest
Warmest since:
2015
Ties: 1923
Jan 1915–Dec 1917
36-Month
47.4°F
(8.6°C)
48.4°F
(9.1°C)
-1.0°F
(-0.5°C)
5th Coolest
Coolest since:
1913
122nd Warmest
Warmest since:
2016
Ties: 1918, 1949
Jan 1914–Dec 1917
48-Month
47.7°F
(8.7°C)
48.4°F
(9.1°C)
-0.7°F
(-0.4°C)
11th Coolest
Coolest since:
1914
115th Warmest
Warmest since:
2017
Ties: 1905, 1908, 1912, 1916, 1918, 1947, 1951
Jan 1913–Dec 1917
60-Month
47.5°F
(8.6°C)
48.4°F
(9.1°C)
-0.9°F
(-0.5°C)
4th Coolest
Coolest since:
1899, 1915, 1916
121st Warmest
Warmest since:
2018
Ties: 1913

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