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 1999

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 1999
1-Month
18.3°F
(-7.6°C)
16.2°F
(-8.8°C)
2.1°F
(1.2°C)
85th Coolest
Coolest since:
1990
44th Warmest
Warmest since:
1917
Ties: 1964
Nov–Dec 1999
2-Month
23.4°F
(-4.8°C)
19.5°F
(-6.9°C)
3.9°F
(2.1°C)
120th Coolest
Coolest since:
1985
9th Warmest
Warmest since:
1917
Ties: 1934, 1981
Oct–Dec 1999
3-Month
26.1°F
(-3.3°C)
23.6°F
(-4.7°C)
2.5°F
(1.4°C)
116th Coolest
Coolest since:
1985
13th Warmest
Warmest since:
1950
Ties: 1906
Sep–Dec 1999
4-Month
29.1°F
(-1.6°C)
27.7°F
(-2.4°C)
1.4°F
(0.8°C)
96th Coolest
Coolest since:
1985
33rd Warmest
Warmest since:
1950
Ties: 1907, 1920, 1977
Aug–Dec 1999
5-Month
33.2°F
(0.7°C)
31.6°F
(-0.2°C)
1.6°F
(0.9°C)
105th Coolest
Coolest since:
1985
24th Warmest
Warmest since:
2014
Ties: 1966
Jul–Dec 1999
6-Month
35.5°F
(1.9°C)
34.6°F
(1.4°C)
0.9°F
(0.5°C)
88th Coolest
Coolest since:
1985
41st Warmest
Warmest since:
2021
Ties: 1896, 1989, 1995, 2002, 2006
Jun–Dec 1999
7-Month
36.5°F
(2.5°C)
35.8°F
(2.1°C)
0.7°F
(0.4°C)
87th Coolest
Coolest since:
1916
42nd Warmest
Warmest since:
2021
Ties: 1901, 1910, 1947, 1953, 1991, 1995
May–Dec 1999
8-Month
36.2°F
(2.3°C)
35.9°F
(2.2°C)
0.3°F
(0.1°C)
70th Coolest
Coolest since:
1916
59th Warmest
Warmest since:
2021
Ties: 1900, 1920, 1921, 1923, 1936, 1949, 1969, 1979, 2010
Apr–Dec 1999
9-Month
35.2°F
(1.8°C)
35.2°F
(1.8°C)
0.0°F
(0.0°C)
49th Coolest
Coolest since:
1916
80th Warmest
Warmest since:
2021
Ties: 1920, 1960, 1974, 2009
Mar–Dec 1999
10-Month
33.9°F
(1.1°C)
33.9°F
(1.1°C)
0.0°F
(0.0°C)
55th Coolest
Coolest since:
1916
74th Warmest
Warmest since:
2015
Ties: 1896, 1927, 1953
Feb–Dec 1999
11-Month
32.5°F
(0.3°C)
32.4°F
(0.2°C)
0.1°F
(0.1°C)
59th Coolest
Coolest since:
1985
70th Warmest
Warmest since:
2015
Ties: 1897, 1918, 1939, 1990
Jan–Dec 1999
12-Month
31.4°F
(-0.3°C)
30.8°F
(-0.7°C)
0.6°F
(0.4°C)
79th Coolest
Coolest since:
1985
50th Warmest
Warmest since:
1934, 2015
Ties: 1907, 1915, 1990
Jul 1998–Dec 1999
18-Month
33.4°F
(0.8°C)
32.1°F
(0.1°C)
1.3°F
(0.7°C)
108th Coolest
Coolest since:
1985
20th Warmest
Warmest since:
2015
Ties: 1926
Jan 1998–Dec 1999
24-Month
32.3°F
(0.2°C)
30.8°F
(-0.7°C)
1.5°F
(0.9°C)
115th Coolest
Coolest since:
1985
13th Warmest
Warmest since:
2015, 2016
Ties: 1940, 1995, 2007, 2013
Jan 1997–Dec 1999
36-Month
32.1°F
(0.1°C)
30.8°F
(-0.7°C)
1.3°F
(0.8°C)
111th Coolest
Coolest since:
1930, 1931
16th Warmest
Warmest since:
2016
Ties: 1927, 1988, 1998, 2006, 2007
Jan 1996–Dec 1999
48-Month
32.0°F
(0.0°C)
30.8°F
(-0.7°C)
1.2°F
(0.7°C)
107th Coolest
Coolest since:
1932
19th Warmest
Warmest since:
2017
Jan 1995–Dec 1999
60-Month
32.0°F
(0.0°C)
30.7°F
(-0.7°C)
1.3°F
(0.7°C)
109th Coolest
Coolest since:
1932, 1933
16th Warmest
Warmest since:
2018
Ties: 2000, 2003

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