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 2015

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 2015
1-Month
29.3°F
(-1.5°C)
29.7°F
(-1.3°C)
-0.4°F
(-0.2°C)
56th Coolest
Coolest since:
1909, 1932
72nd Warmest
Warmest since:
1917
Ties: 1920, 1982, 2011
Nov–Dec 2015
2-Month
32.2°F
(0.1°C)
33.7°F
(0.9°C)
-1.5°F
(-0.8°C)
35th Coolest
Coolest since:
1931
93rd Warmest
Warmest since:
1917
Ties: 1908
Oct–Dec 2015
3-Month
39.8°F
(4.3°C)
39.0°F
(3.9°C)
0.8°F
(0.4°C)
81st Coolest
Coolest since:
1919
47th Warmest
Warmest since:
1950
Ties: 1896, 1900, 1927, 1954
Sep–Dec 2015
4-Month
46.2°F
(7.9°C)
44.5°F
(6.9°C)
1.7°F
(1.0°C)
102nd Coolest
Coolest since:
1971
26th Warmest
Warmest since:
2014
Ties: 1934, 1943
Aug–Dec 2015
5-Month
51.3°F
(10.7°C)
49.5°F
(9.7°C)
1.8°F
(1.0°C)
105th Coolest
Coolest since:
1916
23rd Warmest
Warmest since:
2020
Ties: 2016
Jul–Dec 2015
6-Month
54.4°F
(12.4°C)
53.1°F
(11.7°C)
1.3°F
(0.7°C)
98th Coolest
Coolest since:
1916
30th Warmest
Warmest since:
2020
Ties: 1910, 1962, 1980, 1996
Jun–Dec 2015
7-Month
56.7°F
(13.7°C)
54.6°F
(12.6°C)
2.1°F
(1.1°C)
115th Coolest
Coolest since:
1916
13th Warmest
Warmest since:
2021
Ties: 1917, 1937
May–Dec 2015
8-Month
56.4°F
(13.6°C)
54.5°F
(12.5°C)
1.9°F
(1.1°C)
113th Coolest
Coolest since:
1916
15th Warmest
Warmest since:
2021
Ties: 1939, 1940
Apr–Dec 2015
9-Month
55.4°F
(13.0°C)
53.6°F
(12.0°C)
1.8°F
(1.0°C)
114th Coolest
Coolest since:
1912
14th Warmest
Warmest since:
2021
Ties: 1910, 1940
Mar–Dec 2015
10-Month
54.4°F
(12.4°C)
52.0°F
(11.1°C)
2.4°F
(1.3°C)
118th Coolest
Coolest since:
1912
10th Warmest
Warmest since:
1934, 2021
Ties: 2003
Feb–Dec 2015
11-Month
53.3°F
(11.8°C)
50.3°F
(10.2°C)
3.0°F
(1.6°C)
125th Coolest
Coolest since:
1911, 1912
3rd Warmest
Warmest since:
1934
Ties: 2014, 2021
Jan–Dec 2015
12-Month
51.8°F
(11.0°C)
48.4°F
(9.1°C)
3.4°F
(1.9°C)
126th Coolest
Coolest since:
1944
2nd Warmest
Warmest since:
1934
Ties: 2014
Jul 2014–Dec 2015
18-Month
53.2°F
(11.8°C)
50.0°F
(10.0°C)
3.2°F
(1.8°C)
125th Coolest
Coolest since:
1912, 1913
2nd Warmest
Warmest since:
1934
Jan 2014–Dec 2015
24-Month
51.8°F
(11.0°C)
48.5°F
(9.2°C)
3.3°F
(1.8°C)
126th Coolest
Coolest since:
1912, 1913
1st Warmest
Warmest to Date
2015
Jan 2013–Dec 2015
36-Month
50.9°F
(10.5°C)
48.4°F
(9.1°C)
2.5°F
(1.4°C)
122nd Coolest
Coolest since:
1913
4th Warmest
Warmest to Date
2016
Jan 2012–Dec 2015
48-Month
51.0°F
(10.6°C)
48.4°F
(9.1°C)
2.6°F
(1.5°C)
122nd Coolest
Coolest since:
1914
3rd Warmest
Warmest to Date
2017
Jan 2011–Dec 2015
60-Month
50.5°F
(10.3°C)
48.4°F
(9.1°C)
2.1°F
(1.2°C)
117th Coolest
Coolest since:
1899, 1915, 1916
7th Warmest
Warmest to Date
2018

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