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, September 1990

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1990
1-Month
61.7°F
(16.5°C)
54.7°F
(12.6°C)
7.0°F
(3.9°C)
128th Coolest
Coolest since:
1912, 1965
1st Warmest
Warmest to Date
1990
Aug–Sep 1990
2-Month
63.2°F
(17.3°C)
59.2°F
(15.1°C)
4.0°F
(2.2°C)
124th Coolest
Coolest since:
1912
5th Warmest
Warmest since:
2022
Jul–Sep 1990
3-Month
64.2°F
(17.9°C)
61.1°F
(16.2°C)
3.1°F
(1.7°C)
119th Coolest
Coolest since:
1912
10th Warmest
Warmest since:
2022
Ties: 2017
Jun–Sep 1990
4-Month
62.5°F
(16.9°C)
60.0°F
(15.6°C)
2.5°F
(1.3°C)
117th Coolest
Coolest since:
1993
12th Warmest
Warmest since:
2021
Ties: 1998
May–Sep 1990
5-Month
59.4°F
(15.2°C)
57.8°F
(14.3°C)
1.6°F
(0.9°C)
106th Coolest
Coolest since:
1912
23rd Warmest
Warmest since:
2021
Ties: 1988, 1992, 2009
Apr–Sep 1990
6-Month
57.2°F
(14.0°C)
55.0°F
(12.8°C)
2.2°F
(1.2°C)
116th Coolest
Coolest since:
1912
13th Warmest
Warmest since:
2021
Ties: 2001
Mar–Sep 1990
7-Month
54.2°F
(12.3°C)
51.8°F
(11.0°C)
2.4°F
(1.3°C)
115th Coolest
Coolest since:
1912
14th Warmest
Warmest since:
1934, 2015
Feb–Sep 1990
8-Month
50.5°F
(10.3°C)
48.6°F
(9.2°C)
1.9°F
(1.1°C)
110th Coolest
Coolest since:
1964
19th Warmest
Warmest since:
1934, 2015
Ties: 1926, 1998
Jan–Sep 1990
9-Month
47.9°F
(8.8°C)
45.7°F
(7.6°C)
2.2°F
(1.2°C)
114th Coolest
Coolest since:
1917
15th Warmest
Warmest since:
1934
Dec 1989–Sep 1990
10-Month
45.7°F
(7.6°C)
43.5°F
(6.4°C)
2.2°F
(1.2°C)
115th Coolest
Coolest since:
1917
13th Warmest
Warmest since:
1934
Ties: 1981
Nov 1989–Sep 1990
11-Month
44.6°F
(7.0°C)
42.4°F
(5.8°C)
2.2°F
(1.2°C)
117th Coolest
Coolest since:
1917
11th Warmest
Warmest since:
1934
Ties: 1994, 2012
Oct 1989–Sep 1990
12-Month
44.6°F
(7.0°C)
42.6°F
(5.9°C)
2.0°F
(1.1°C)
115th Coolest
Coolest since:
1917
13th Warmest
Warmest since:
1934
Apr 1989–Sep 1990
18-Month
48.4°F
(9.1°C)
46.8°F
(8.2°C)
1.6°F
(0.9°C)
112th Coolest
Coolest since:
1917
16th Warmest
Warmest since:
2015
Oct 1988–Sep 1990
24-Month
43.7°F
(6.5°C)
42.6°F
(5.9°C)
1.1°F
(0.6°C)
101st Coolest
Coolest since:
1917
26th Warmest
Warmest since:
2016
Ties: 1939, 1981, 2012
Oct 1987–Sep 1990
36-Month
43.9°F
(6.6°C)
42.6°F
(5.9°C)
1.3°F
(0.7°C)
108th Coolest
Coolest since:
1917
18th Warmest
Warmest since:
2017
Ties: 2002, 2003, 2013, 2020
Oct 1986–Sep 1990
48-Month
44.0°F
(6.7°C)
42.6°F
(5.9°C)
1.4°F
(0.8°C)
112th Coolest
Coolest since:
1913, 1917, 1932
13th Warmest
Warmest since:
2018
Ties: 2001, 2014, 2020
Oct 1985–Sep 1990
60-Month
43.6°F
(6.4°C)
42.5°F
(5.8°C)
1.1°F
(0.6°C)
99th Coolest
Coolest since:
1917, 1933
25th Warmest
Warmest since:
2016, 2017, 2018
Ties: 1994, 2013

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