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 2009

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  • Record Coolest
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  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 2009
1-Month
19.8°F
(-6.8°C)
23.9°F
(-4.5°C)
-4.1°F
(-2.3°C)
19th Coolest
Coolest since:
1990
110th Warmest
Warmest since:
1917
Ties: 1931
Nov–Dec 2009
2-Month
26.4°F
(-3.1°C)
27.8°F
(-2.3°C)
-1.4°F
(-0.8°C)
34th Coolest
Coolest since:
1985
95th Warmest
Warmest since:
1917
Ties: 1956
Oct–Dec 2009
3-Month
30.8°F
(-0.7°C)
33.3°F
(0.7°C)
-2.5°F
(-1.4°C)
16th Coolest
Coolest since:
1985
113th Warmest
Warmest since:
1917
Ties: 1971, 1994
Sep–Dec 2009
4-Month
38.1°F
(3.4°C)
38.6°F
(3.7°C)
-0.5°F
(-0.3°C)
43rd Coolest
Coolest since:
1985
86th Warmest
Warmest since:
1917
Ties: 2019
Aug–Dec 2009
5-Month
43.2°F
(6.2°C)
43.5°F
(6.4°C)
-0.3°F
(-0.2°C)
42nd Coolest
Coolest since:
1985
87th Warmest
Warmest since:
1917
Ties: 1975, 1983
Jul–Dec 2009
6-Month
47.0°F
(8.3°C)
47.2°F
(8.4°C)
-0.2°F
(-0.1°C)
46th Coolest
Coolest since:
1985
83rd Warmest
Warmest since:
1917
Ties: 1944, 1946, 1957
Jun–Dec 2009
7-Month
48.3°F
(9.1°C)
48.5°F
(9.2°C)
-0.2°F
(-0.1°C)
43rd Coolest
Coolest since:
1985
86th Warmest
Warmest since:
2021
Ties: 1946, 1959, 1975, 1976
May–Dec 2009
8-Month
48.6°F
(9.2°C)
48.6°F
(9.2°C)
0.0°F
(0.0°C)
50th Coolest
Coolest since:
1916
79th Warmest
Warmest since:
2021
Ties: 1942, 1976
Apr–Dec 2009
9-Month
47.8°F
(8.8°C)
47.8°F
(8.8°C)
0.0°F
(0.0°C)
51st Coolest
Coolest since:
1916
78th Warmest
Warmest since:
2021
Ties: 1954, 1957, 1995
Mar–Dec 2009
10-Month
46.1°F
(7.8°C)
46.2°F
(7.9°C)
-0.1°F
(-0.1°C)
49th Coolest
Coolest since:
1916, 1985
80th Warmest
Warmest since:
1934
Ties: 1907, 1914, 1942
Feb–Dec 2009
11-Month
44.4°F
(6.9°C)
44.4°F
(6.9°C)
0.0°F
(0.0°C)
50th Coolest
Coolest since:
1985
79th Warmest
Warmest since:
1934
Ties: 1897, 1930, 1933, 1960
Jan–Dec 2009
12-Month
42.8°F
(6.0°C)
42.6°F
(5.9°C)
0.2°F
(0.1°C)
61st Coolest
Coolest since:
1985
68th Warmest
Warmest since:
1934
Ties: 1896, 1914, 1946, 1969, 1973, 1989
Jul 2008–Dec 2009
18-Month
44.7°F
(7.1°C)
44.1°F
(6.7°C)
0.6°F
(0.4°C)
83rd Coolest
Coolest since:
1985
45th Warmest
Warmest since:
1934
Ties: 1907, 1966, 1997
Jan 2008–Dec 2009
24-Month
42.7°F
(5.9°C)
42.6°F
(5.9°C)
0.1°F
(0.0°C)
68th Coolest
Coolest since:
1985
60th Warmest
Warmest since:
2015, 2016
Ties: 1897, 1900, 1905, 1910, 1938, 1978, 1982
Jan 2007–Dec 2009
36-Month
43.4°F
(6.3°C)
42.6°F
(5.9°C)
0.8°F
(0.4°C)
94th Coolest
Coolest since:
1913
33rd Warmest
Warmest since:
2016
Ties: 1934, 1942, 1994, 1997
Jan 2006–Dec 2009
48-Month
43.6°F
(6.4°C)
42.6°F
(5.9°C)
1.0°F
(0.5°C)
104th Coolest
Coolest since:
1985
22nd Warmest
Warmest since:
2017
Ties: 1940, 1942, 1992, 1997, 1998, 1999, 2013
Jan 2005–Dec 2009
60-Month
43.6°F
(6.4°C)
42.6°F
(5.9°C)
1.0°F
(0.5°C)
104th Coolest
Coolest since:
1913, 1916
21st Warmest
Warmest since:
2016, 2018
Ties: 1941, 1991, 1999, 2000

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