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 1939

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Warmest/Coolest
Since
Record
December 1939
1-Month
31.8°F
(-0.1°C)
23.9°F
(-4.5°C)
7.9°F
(4.4°C)
126th Coolest
Coolest since:
1990
3rd Warmest
Warmest since:
1917
Nov–Dec 1939
2-Month
33.2°F
(0.7°C)
27.8°F
(-2.3°C)
5.4°F
(3.0°C)
126th Coolest
Coolest since:
1985
3rd Warmest
Warmest since:
1917
Oct–Dec 1939
3-Month
37.0°F
(2.8°C)
33.2°F
(0.7°C)
3.8°F
(2.1°C)
126th Coolest
Coolest since:
1985
3rd Warmest
Warmest since:
1917
Ties: 1999
Sep–Dec 1939
4-Month
41.8°F
(5.4°C)
38.6°F
(3.7°C)
3.2°F
(1.7°C)
125th Coolest
Coolest since:
1985
4th Warmest
Warmest since:
1917
Aug–Dec 1939
5-Month
46.4°F
(8.0°C)
43.6°F
(6.4°C)
2.8°F
(1.6°C)
127th Coolest
Coolest since:
1985
2nd Warmest
Warmest since:
1917
Jul–Dec 1939
6-Month
49.7°F
(9.8°C)
47.2°F
(8.4°C)
2.5°F
(1.4°C)
123rd Coolest
Coolest since:
1985
6th Warmest
Warmest since:
1917
Ties: 1933
Jun–Dec 1939
7-Month
50.3°F
(10.2°C)
48.5°F
(9.2°C)
1.8°F
(1.0°C)
116th Coolest
Coolest since:
1985
13th Warmest
Warmest since:
2021
Ties: 1940, 1988, 2007
May–Dec 1939
8-Month
50.6°F
(10.3°C)
48.6°F
(9.2°C)
2.0°F
(1.1°C)
118th Coolest
Coolest since:
1916
11th Warmest
Warmest since:
2021
Apr–Dec 1939
9-Month
49.9°F
(9.9°C)
47.8°F
(8.8°C)
2.1°F
(1.1°C)
123rd Coolest
Coolest since:
1916
6th Warmest
Warmest since:
2021
Ties: 2014
Mar–Dec 1939
10-Month
48.3°F
(9.1°C)
46.3°F
(7.9°C)
2.0°F
(1.2°C)
120th Coolest
Coolest since:
1985
9th Warmest
Warmest since:
1934
Ties: 1910, 1987, 2001, 2016, 2017
Feb–Dec 1939
11-Month
45.7°F
(7.6°C)
44.5°F
(6.9°C)
1.2°F
(0.7°C)
105th Coolest
Coolest since:
1985
24th Warmest
Warmest since:
1934
Ties: 1910, 1981, 1986, 1994, 2006
Jan–Dec 1939
12-Month
44.1°F
(6.7°C)
42.6°F
(5.9°C)
1.5°F
(0.8°C)
104th Coolest
Coolest since:
1985
25th Warmest
Warmest since:
1934
Ties: 1925, 1986
Jul 1938–Dec 1939
18-Month
45.3°F
(7.4°C)
44.1°F
(6.7°C)
1.2°F
(0.7°C)
103rd Coolest
Coolest since:
1985
25th Warmest
Warmest since:
1934
Ties: 1941, 1953, 1958, 2020
Jan 1938–Dec 1939
24-Month
43.7°F
(6.5°C)
42.6°F
(5.9°C)
1.1°F
(0.6°C)
99th Coolest
Coolest since:
1985
29th Warmest
Warmest since:
2015, 2016
Ties: 1954, 2008, 2012, 2020
Jan 1937–Dec 1939
36-Month
43.2°F
(6.2°C)
42.6°F
(5.9°C)
0.6°F
(0.3°C)
87th Coolest
Coolest since:
1913
40th Warmest
Warmest since:
2016
Ties: 1963, 1967, 1991
Jan 1936–Dec 1939
48-Month
43.1°F
(6.2°C)
42.6°F
(5.9°C)
0.5°F
(0.3°C)
84th Coolest
Coolest since:
1985
42nd Warmest
Warmest since:
2017
Ties: 1927, 1981, 1988
Jan 1935–Dec 1939
60-Month
42.8°F
(6.0°C)
42.6°F
(5.9°C)
0.2°F
(0.1°C)
73rd Coolest
Coolest since:
1913, 1916
52nd Warmest
Warmest since:
2016, 2018
Ties: 1927, 1983

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