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.

Idaho

Average Temperature Rankings, December 2018

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  • Record Coolest
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 2018
1-Month
24.3°F
(-4.3°C)
23.9°F
(-4.5°C)
0.4°F
(0.2°C)
60th Coolest
Coolest since:
1990
69th Warmest
Warmest since:
1917
Ties: 2015
Nov–Dec 2018
2-Month
28.2°F
(-2.1°C)
27.8°F
(-2.3°C)
0.4°F
(0.2°C)
67th Coolest
Coolest since:
1985
62nd Warmest
Warmest since:
1917
Ties: 1896, 2003
Oct–Dec 2018
3-Month
33.4°F
(0.8°C)
33.2°F
(0.7°C)
0.2°F
(0.1°C)
60th Coolest
Coolest since:
1985
69th Warmest
Warmest since:
1917
Ties: 1915, 1998
Sep–Dec 2018
4-Month
39.1°F
(3.9°C)
38.6°F
(3.7°C)
0.5°F
(0.2°C)
69th Coolest
Coolest since:
1985
60th Warmest
Warmest since:
1917
Ties: 1954, 1960, 2006
Aug–Dec 2018
5-Month
44.3°F
(6.8°C)
43.6°F
(6.4°C)
0.7°F
(0.4°C)
84th Coolest
Coolest since:
1985
45th Warmest
Warmest since:
1917
Ties: 1897, 1952, 1973, 1974, 1980, 2013
Jul–Dec 2018
6-Month
48.3°F
(9.1°C)
47.2°F
(8.4°C)
1.1°F
(0.7°C)
95th Coolest
Coolest since:
1985
34th Warmest
Warmest since:
1917
Ties: 1943, 1979, 1988
Jun–Dec 2018
7-Month
49.7°F
(9.8°C)
48.6°F
(9.2°C)
1.1°F
(0.6°C)
104th Coolest
Coolest since:
1985
25th Warmest
Warmest since:
2021
Ties: 1904, 1936, 1967, 1974, 2002, 2004
May–Dec 2018
8-Month
50.2°F
(10.1°C)
48.6°F
(9.2°C)
1.6°F
(0.9°C)
112th Coolest
Coolest since:
1916
17th Warmest
Warmest since:
2021
Ties: 1936, 1988, 2013, 2020, 2022
Apr–Dec 2018
9-Month
49.3°F
(9.6°C)
47.7°F
(8.7°C)
1.6°F
(0.9°C)
111th Coolest
Coolest since:
1916
18th Warmest
Warmest since:
2021
Ties: 1910, 1937, 2020
Mar–Dec 2018
10-Month
47.8°F
(8.8°C)
46.3°F
(7.9°C)
1.5°F
(0.9°C)
111th Coolest
Coolest since:
1916, 1985
18th Warmest
Warmest since:
1934
Ties: 1958, 1994, 2006, 2020
Feb–Dec 2018
11-Month
45.8°F
(7.7°C)
44.4°F
(6.9°C)
1.4°F
(0.8°C)
108th Coolest
Coolest since:
1985
21st Warmest
Warmest since:
1934
Ties: 1998, 2013
Jan–Dec 2018
12-Month
44.5°F
(6.9°C)
42.6°F
(5.9°C)
1.9°F
(1.0°C)
118th Coolest
Coolest since:
1985
11th Warmest
Warmest since:
1934
Ties: 1958, 1987
Jul 2017–Dec 2018
18-Month
46.0°F
(7.8°C)
44.1°F
(6.7°C)
1.9°F
(1.1°C)
117th Coolest
Coolest since:
1985
11th Warmest
Warmest since:
1934
Ties: 2007
Jan 2017–Dec 2018
24-Month
44.4°F
(6.9°C)
42.6°F
(5.9°C)
1.8°F
(1.0°C)
118th Coolest
Coolest since:
1985
10th Warmest
Warmest since:
2015, 2016
Ties: 1935, 2013, 2014
Jan 2016–Dec 2018
36-Month
44.6°F
(7.0°C)
42.6°F
(5.9°C)
2.0°F
(1.1°C)
123rd Coolest
Coolest since:
1913
4th Warmest
Warmest since:
2016
Ties: 2014
Jan 2015–Dec 2018
48-Month
45.1°F
(7.3°C)
42.6°F
(5.9°C)
2.5°F
(1.4°C)
124th Coolest
Coolest since:
1985
2nd Warmest
Warmest since:
2017
Ties: 2015, 2016
Jan 2014–Dec 2018
60-Month
45.1°F
(7.3°C)
42.6°F
(5.9°C)
2.5°F
(1.4°C)
124th Coolest
Coolest since:
1913, 1916
1st Warmest
Warmest since:
2016, 2018
Ties: 2016

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