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 1930

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 1930
1-Month
16.8°F
(-8.4°C)
23.9°F
(-4.5°C)
-7.1°F
(-3.9°C)
7th Coolest
Coolest since:
1990
122nd Warmest
Warmest since:
1917
Nov–Dec 1930
2-Month
21.9°F
(-5.6°C)
27.8°F
(-2.3°C)
-5.9°F
(-3.3°C)
2nd Coolest
Coolest to Date
1985
127th Warmest
Warmest since:
1917
Oct–Dec 1930
3-Month
28.4°F
(-2.0°C)
33.2°F
(0.7°C)
-4.8°F
(-2.7°C)
3rd Coolest
Coolest since:
1985
126th Warmest
Warmest since:
1917
Sep–Dec 1930
4-Month
35.0°F
(1.7°C)
38.6°F
(3.7°C)
-3.6°F
(-2.0°C)
4th Coolest
Coolest since:
1985
125th Warmest
Warmest since:
1917
Aug–Dec 1930
5-Month
41.1°F
(5.1°C)
43.6°F
(6.4°C)
-2.5°F
(-1.3°C)
6th Coolest
Coolest since:
1985
123rd Warmest
Warmest since:
1917
Ties: 1978
Jul–Dec 1930
6-Month
45.4°F
(7.4°C)
47.2°F
(8.4°C)
-1.8°F
(-1.0°C)
10th Coolest
Coolest since:
1985
119th Warmest
Warmest since:
1917
Ties: 1984
Jun–Dec 1930
7-Month
46.9°F
(8.3°C)
48.5°F
(9.2°C)
-1.6°F
(-0.9°C)
10th Coolest
Coolest since:
1985
119th Warmest
Warmest since:
2021
Ties: 1924
May–Dec 1930
8-Month
47.0°F
(8.3°C)
48.6°F
(9.2°C)
-1.6°F
(-0.9°C)
8th Coolest
Coolest since:
1916
121st Warmest
Warmest since:
2021
Apr–Dec 1930
9-Month
47.0°F
(8.3°C)
47.8°F
(8.8°C)
-0.8°F
(-0.5°C)
32nd Coolest
Coolest since:
1916
97th Warmest
Warmest since:
2021
Ties: 1895
Mar–Dec 1930
10-Month
45.7°F
(7.6°C)
46.3°F
(7.9°C)
-0.6°F
(-0.3°C)
38th Coolest
Coolest since:
1985
91st Warmest
Warmest since:
1934
Ties: 1923, 1972
Feb–Dec 1930
11-Month
44.4°F
(6.9°C)
44.5°F
(6.9°C)
-0.1°F
(0.0°C)
50th Coolest
Coolest since:
1985
79th Warmest
Warmest since:
1934
Ties: 1897, 1933, 1960, 2009
Jan–Dec 1930
12-Month
41.6°F
(5.3°C)
42.6°F
(5.9°C)
-1.0°F
(-0.6°C)
21st Coolest
Coolest since:
1985
108th Warmest
Warmest since:
1934
Ties: 1942
Jul 1929–Dec 1930
18-Month
43.7°F
(6.5°C)
44.1°F
(6.7°C)
-0.4°F
(-0.2°C)
33rd Coolest
Coolest since:
1985
95th Warmest
Warmest since:
1934
Ties: 1924, 1928, 1960, 1973
Jan 1929–Dec 1930
24-Month
41.2°F
(5.1°C)
42.6°F
(5.9°C)
-1.4°F
(-0.8°C)
5th Coolest
Coolest since:
1985
123rd Warmest
Warmest since:
2015, 2016
Ties: 1956
Jan 1928–Dec 1930
36-Month
41.6°F
(5.3°C)
42.6°F
(5.9°C)
-1.0°F
(-0.6°C)
6th Coolest
Coolest since:
1913
121st Warmest
Warmest since:
2016
Ties: 1914, 1917, 1918, 1984
Jan 1927–Dec 1930
48-Month
41.7°F
(5.4°C)
42.6°F
(5.9°C)
-0.9°F
(-0.5°C)
5th Coolest
Coolest since:
1985
121st Warmest
Warmest since:
2017
Ties: 1919, 1951
Jan 1926–Dec 1930
60-Month
42.2°F
(5.7°C)
42.6°F
(5.9°C)
-0.4°F
(-0.2°C)
21st Coolest
Coolest since:
1913, 1916
104th Warmest
Warmest since:
2016, 2018
Ties: 1911, 1946, 1955, 1975, 1979

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