Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Washington

Average Temperature Rankings, December 2015

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 2015
1-Month
32.1°F
(0.1°C)
30.6°F
(-0.8°C)
1.5°F
(0.9°C)
82nd Coolest
Coolest since:
1983
46th Warmest
Warmest since:
1900, 1939
Nov–Dec 2015
2-Month
34.0°F
(1.1°C)
33.6°F
(0.9°C)
0.4°F
(0.2°C)
68th Coolest
Coolest since:
1985
60th Warmest
Warmest since:
1899
Ties: 1943
Oct–Dec 2015
3-Month
40.2°F
(4.6°C)
38.2°F
(3.4°C)
2.0°F
(1.2°C)
109th Coolest
Coolest since:
1985
19th Warmest
Warmest since:
1917
Ties: 1974
Sep–Dec 2015
4-Month
44.2°F
(6.8°C)
42.9°F
(6.1°C)
1.3°F
(0.7°C)
98th Coolest
Coolest since:
1985
30th Warmest
Warmest since:
2014
Ties: 1923, 1944, 1952, 1976, 2001, 2002
Aug–Dec 2015
5-Month
48.7°F
(9.3°C)
47.0°F
(8.3°C)
1.7°F
(1.0°C)
110th Coolest
Coolest since:
1985
18th Warmest
Warmest since:
2014
Ties: 1963
Jul–Dec 2015
6-Month
52.0°F
(11.1°C)
49.8°F
(9.9°C)
2.2°F
(1.2°C)
125th Coolest
Coolest since:
1985
3rd Warmest
Warmest since:
2014
Ties: 1939, 1967
Jun–Dec 2015
7-Month
53.9°F
(12.2°C)
50.9°F
(10.5°C)
3.0°F
(1.7°C)
127th Coolest
Coolest since:
1985
1st Warmest
Warmest to Date
2015
May–Dec 2015
8-Month
54.2°F
(12.3°C)
51.1°F
(10.6°C)
3.1°F
(1.7°C)
127th Coolest
Coolest since:
1916
1st Warmest
Warmest to Date
2015
Apr–Dec 2015
9-Month
53.2°F
(11.8°C)
50.4°F
(10.2°C)
2.8°F
(1.6°C)
127th Coolest
Coolest since:
1955
1st Warmest
Warmest to Date
2015
Mar–Dec 2015
10-Month
52.4°F
(11.3°C)
49.2°F
(9.6°C)
3.2°F
(1.7°C)
127th Coolest
Coolest since:
1955
1st Warmest
Warmest to Date
2015
Feb–Dec 2015
11-Month
51.3°F
(10.7°C)
47.7°F
(8.7°C)
3.6°F
(2.0°C)
127th Coolest
Coolest since:
1955
1st Warmest
Warmest to Date
2015
Jan–Dec 2015
12-Month
50.0°F
(10.0°C)
46.2°F
(7.9°C)
3.8°F
(2.1°C)
127th Coolest
Coolest since:
1916
1st Warmest
Warmest to Date
2015
Jul 2014–Dec 2015
18-Month
51.0°F
(10.6°C)
47.4°F
(8.6°C)
3.6°F
(2.0°C)
126th Coolest
Coolest since:
1916
1st Warmest
Warmest to Date
2015
Jan 2014–Dec 2015
24-Month
49.2°F
(9.6°C)
46.2°F
(7.9°C)
3.0°F
(1.7°C)
125th Coolest
Coolest since:
1917, 1955
2nd Warmest
Warmest to Date
2016
Jan 2013–Dec 2015
36-Month
48.5°F
(9.2°C)
46.1°F
(7.8°C)
2.4°F
(1.4°C)
124th Coolest
Coolest since:
1950
2nd Warmest
Warmest to Date
2016
Ties: 2017
Jan 2012–Dec 2015
48-Month
48.1°F
(8.9°C)
46.1°F
(7.8°C)
2.0°F
(1.1°C)
121st Coolest
Coolest since:
1951
4th Warmest
Warmest to Date
2016
Jan 2011–Dec 2015
60-Month
47.6°F
(8.7°C)
46.1°F
(7.8°C)
1.5°F
(0.9°C)
118th Coolest
Coolest since:
1913, 1952
6th Warmest
Warmest since:
2018
Ties: 2007, 2020

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