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

Minimum Temperature Rankings, December 1939

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 1939
1-Month
23.2°F
(-4.9°C)
16.2°F
(-8.8°C)
7.0°F
(3.9°C)
122nd Coolest
Coolest since:
1990
6th Warmest
Warmest since:
1917
Nov–Dec 1939
2-Month
22.1°F
(-5.5°C)
19.5°F
(-6.9°C)
2.6°F
(1.4°C)
101st Coolest
Coolest since:
1985
27th Warmest
Warmest since:
1917
Oct–Dec 1939
3-Month
25.7°F
(-3.5°C)
23.6°F
(-4.7°C)
2.1°F
(1.2°C)
108th Coolest
Coolest since:
1985
20th Warmest
Warmest since:
1950
Ties: 1907, 1941, 1958, 1995
Sep–Dec 1939
4-Month
29.5°F
(-1.4°C)
27.7°F
(-2.4°C)
1.8°F
(1.0°C)
104th Coolest
Coolest since:
1985
24th Warmest
Warmest since:
1950
Ties: 1980
Aug–Dec 1939
5-Month
33.1°F
(0.6°C)
31.7°F
(-0.2°C)
1.4°F
(0.8°C)
102nd Coolest
Coolest since:
1985
26th Warmest
Warmest since:
2014
Ties: 1941, 1962, 1977, 2010, 2016
Jul–Dec 1939
6-Month
35.9°F
(2.2°C)
34.6°F
(1.4°C)
1.3°F
(0.8°C)
103rd Coolest
Coolest since:
1985
25th Warmest
Warmest since:
2021
Jun–Dec 1939
7-Month
36.6°F
(2.6°C)
35.8°F
(2.1°C)
0.8°F
(0.5°C)
89th Coolest
Coolest since:
1916
39th Warmest
Warmest since:
2021
Ties: 1966
May–Dec 1939
8-Month
36.8°F
(2.7°C)
35.9°F
(2.2°C)
0.9°F
(0.5°C)
95th Coolest
Coolest since:
1916
33rd Warmest
Warmest since:
2021
Ties: 1906, 1938
Apr–Dec 1939
9-Month
36.1°F
(2.3°C)
35.2°F
(1.8°C)
0.9°F
(0.5°C)
101st Coolest
Coolest since:
1916
27th Warmest
Warmest since:
2021
Ties: 1910, 1926, 1989, 1994, 2019
Mar–Dec 1939
10-Month
34.7°F
(1.5°C)
33.9°F
(1.1°C)
0.8°F
(0.4°C)
92nd Coolest
Coolest since:
1916
36th Warmest
Warmest since:
2015
Ties: 1977, 1997
Feb–Dec 1939
11-Month
32.5°F
(0.3°C)
32.3°F
(0.2°C)
0.2°F
(0.1°C)
59th Coolest
Coolest since:
1985
69th Warmest
Warmest since:
2015
Ties: 1897, 1918, 1990, 1999
Jan–Dec 1939
12-Month
31.3°F
(-0.4°C)
30.8°F
(-0.7°C)
0.5°F
(0.3°C)
74th Coolest
Coolest since:
1985
54th Warmest
Warmest since:
1934, 2015
Ties: 1927
Jul 1938–Dec 1939
18-Month
32.8°F
(0.4°C)
32.1°F
(0.1°C)
0.7°F
(0.3°C)
90th Coolest
Coolest since:
1985
37th Warmest
Warmest since:
2015
Ties: 1900, 1947, 1987, 1990, 1996, 2001, 2002
Jan 1938–Dec 1939
24-Month
31.7°F
(-0.2°C)
30.8°F
(-0.7°C)
0.9°F
(0.5°C)
96th Coolest
Coolest since:
1985
31st Warmest
Warmest since:
2015, 2016
Ties: 1901, 1927, 1959
Jan 1937–Dec 1939
36-Month
31.1°F
(-0.5°C)
30.8°F
(-0.7°C)
0.3°F
(0.2°C)
71st Coolest
Coolest since:
1930, 1931
55th Warmest
Warmest since:
2016
Ties: 1934, 1980, 2010
Jan 1936–Dec 1939
48-Month
30.9°F
(-0.6°C)
30.8°F
(-0.7°C)
0.1°F
(0.1°C)
67th Coolest
Coolest since:
1932
58th Warmest
Warmest since:
2017
Ties: 1902, 1908, 1934, 1959, 1964, 1973, 1974, 1975
Jan 1935–Dec 1939
60-Month
30.6°F
(-0.8°C)
30.8°F
(-0.7°C)
-0.2°F
(-0.1°C)
36th Coolest
Coolest since:
1932, 1933
88th Warmest
Warmest since:
2018
Ties: 1903, 1921, 1925, 1934, 1935, 1945, 1948

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