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Lewiston, Idaho

Average Temperature Rankings, September 1987

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  • Record Coolest
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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1987
1-Month
68.5°F
(20.3°C)
64.9°F
(18.3°C)
3.6°F
(2.0°C)
115th Coolest
Coolest since:
1895
10th Warmest
Warmest since:
1938
Ties: 1979
Aug–Sep 1987
2-Month
70.4°F
(21.3°C)
69.7°F
(20.9°C)
0.7°F
(0.4°C)
96th Coolest
Coolest since:
1912
29th Warmest
Warmest since:
1967
Ties: 1922
Jul–Sep 1987
3-Month
70.8°F
(21.6°C)
71.3°F
(21.8°C)
-0.5°F
(-0.2°C)
56th Coolest
Coolest since:
1912
69th Warmest
Warmest since:
2022
Ties: 1951, 1984, 1999
Jun–Sep 1987
4-Month
70.7°F
(21.5°C)
70.1°F
(21.2°C)
0.6°F
(0.3°C)
90th Coolest
Coolest since:
1895
35th Warmest
Warmest since:
2021
Ties: 1918
May–Sep 1987
5-Month
69.1°F
(20.6°C)
68.0°F
(20.0°C)
1.1°F
(0.6°C)
95th Coolest
Coolest since:
1895, 1916
30th Warmest
Warmest since:
2021
Ties: 1961
Apr–Sep 1987
6-Month
67.1°F
(19.5°C)
65.2°F
(18.4°C)
1.9°F
(1.1°C)
115th Coolest
Coolest since:
1902, 1916
10th Warmest
Warmest since:
2021
Ties: 2013
Mar–Sep 1987
7-Month
64.2°F
(17.9°C)
62.5°F
(16.9°C)
1.7°F
(1.0°C)
116th Coolest
Coolest since:
1955
9th Warmest
Warmest since:
1940
Ties: 2013, 2014
Feb–Sep 1987
8-Month
61.2°F
(16.2°C)
59.5°F
(15.3°C)
1.7°F
(0.9°C)
114th Coolest
Coolest since:
1955
11th Warmest
Warmest since:
1940
Ties: 1958
Jan–Sep 1987
9-Month
58.0°F
(14.4°C)
56.9°F
(13.8°C)
1.1°F
(0.6°C)
106th Coolest
Coolest since:
1916
19th Warmest
Warmest since:
1934
Ties: 1961, 2020
Dec 1986–Sep 1987
10-Month
55.7°F
(13.2°C)
54.6°F
(12.6°C)
1.1°F
(0.6°C)
105th Coolest
Coolest since:
1916
17th Warmest
Warmest since:
1940
Ties: 1925, 1981, 2004, 2006
Nov 1986–Sep 1987
11-Month
54.4°F
(12.4°C)
53.5°F
(11.9°C)
0.9°F
(0.5°C)
103rd Coolest
Coolest since:
1916
19th Warmest
Warmest since:
1940
Ties: 2018, 2022
Oct 1986–Sep 1987
12-Month
54.3°F
(12.4°C)
53.3°F
(11.8°C)
1.0°F
(0.6°C)
104th Coolest
Coolest since:
1916
17th Warmest
Warmest since:
2015
Ties: 1981, 2004
Apr 1986–Sep 1987
18-Month
57.8°F
(14.3°C)
57.3°F
(14.1°C)
0.5°F
(0.2°C)
94th Coolest
Coolest since:
1917
26th Warmest
Warmest since:
1940
Ties: 1995, 2003, 2014, 2017
Oct 1985–Sep 1987
24-Month
52.9°F
(11.6°C)
53.3°F
(11.8°C)
-0.4°F
(-0.2°C)
65th Coolest
Coolest since:
1917
54th Warmest
Warmest since:
2016
Ties: 1906, 1915, 1954, 1984, 2010, 2012
Oct 1984–Sep 1987
36-Month
52.4°F
(11.3°C)
53.3°F
(11.8°C)
-0.9°F
(-0.5°C)
37th Coolest
Coolest since:
1917
80th Warmest
Warmest since:
1940
Ties: 1944, 1958, 1971, 1979, 1985
Oct 1983–Sep 1987
48-Month
52.4°F
(11.3°C)
53.3°F
(11.8°C)
-0.9°F
(-0.5°C)
34th Coolest
Coolest since:
1913
81st Warmest
Warmest since:
1941
Ties: 1906, 1949, 1953, 1962, 1979, 1980, 1985
Oct 1982–Sep 1987
60-Month
52.6°F
(11.4°C)
53.3°F
(11.8°C)
-0.7°F
(-0.4°C)
45th Coolest
Coolest since:
1917
68th Warmest
Warmest since:
2016

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