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Lewiston, Idaho

Average Temperature Rankings, September 1970

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Period Value 1991-2020
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1970
1-Month
58.0°F
(14.4°C)
65.8°F
(18.8°C)
-7.8°F
(-4.4°C)
7th Coolest
Coolest since:
1895
118th Warmest
Warmest since:
1990
Aug–Sep 1970
2-Month
66.4°F
(19.1°C)
70.4°F
(21.3°C)
-4.0°F
(-2.2°C)
24th Coolest
Coolest since:
1912
101st Warmest
Warmest since:
2022
Ties: 1899
Jul–Sep 1970
3-Month
69.5°F
(20.8°C)
72.2°F
(22.3°C)
-2.7°F
(-1.5°C)
40th Coolest
Coolest since:
1912
85th Warmest
Warmest since:
2022
Ties: 1914, 1946, 1968, 1969
Jun–Sep 1970
4-Month
69.6°F
(20.9°C)
70.8°F
(21.6°C)
-1.2°F
(-0.7°C)
79th Coolest
Coolest since:
1895
46th Warmest
Warmest since:
2021
Ties: 1898, 1930
May–Sep 1970
5-Month
67.5°F
(19.7°C)
68.6°F
(20.3°C)
-1.1°F
(-0.6°C)
78th Coolest
Coolest since:
1895, 1916
47th Warmest
Warmest since:
2021
Ties: 1924, 2002
Apr–Sep 1970
6-Month
63.9°F
(17.7°C)
65.7°F
(18.7°C)
-1.8°F
(-1.0°C)
49th Coolest
Coolest since:
1902, 1916
76th Warmest
Warmest since:
2021
Ties: 1905, 1951, 1980, 1982, 1991
Mar–Sep 1970
7-Month
60.9°F
(16.1°C)
62.8°F
(17.1°C)
-1.9°F
(-1.0°C)
40th Coolest
Coolest since:
1955
85th Warmest
Warmest since:
2021
Ties: 1919, 1923, 1956, 1960, 1980, 1984, 1991, 1993
Feb–Sep 1970
8-Month
58.5°F
(14.7°C)
59.8°F
(15.4°C)
-1.3°F
(-0.7°C)
68th Coolest
Coolest since:
1899
57th Warmest
Warmest since:
2015
Ties: 1952, 2002
Jan–Sep 1970
9-Month
55.8°F
(13.2°C)
57.2°F
(14.0°C)
-1.4°F
(-0.8°C)
72nd Coolest
Coolest since:
1916
53rd Warmest
Warmest since:
2015
Ties: 1915, 1974, 1978, 1984
Dec 1969–Sep 1970
10-Month
53.7°F
(12.1°C)
55.0°F
(12.8°C)
-1.3°F
(-0.7°C)
71st Coolest
Coolest since:
1916
51st Warmest
Warmest since:
2015
Nov 1969–Sep 1970
11-Month
52.5°F
(11.4°C)
53.7°F
(12.1°C)
-1.2°F
(-0.7°C)
75th Coolest
Coolest since:
1916
47th Warmest
Warmest since:
2015
Ties: 1914, 1931, 1951, 1973, 1977, 1978, 2001
Oct 1969–Sep 1970
12-Month
52.1°F
(11.2°C)
53.6°F
(12.0°C)
-1.5°F
(-0.8°C)
55th Coolest
Coolest since:
1916, 1920
66th Warmest
Warmest since:
2015
Ties: 1919, 1931, 1982, 1996
Apr 1969–Sep 1970
18-Month
56.4°F
(13.6°C)
57.6°F
(14.2°C)
-1.2°F
(-0.6°C)
67th Coolest
Coolest since:
1917
53rd Warmest
Warmest since:
2015
Ties: 1905, 1931
Oct 1968–Sep 1970
24-Month
51.6°F
(10.9°C)
53.6°F
(12.0°C)
-2.0°F
(-1.1°C)
40th Coolest
Coolest since:
1917
79th Warmest
Warmest since:
2016
Ties: 1942
Oct 1967–Sep 1970
36-Month
52.0°F
(11.1°C)
53.6°F
(12.0°C)
-1.6°F
(-0.9°C)
53rd Coolest
Coolest since:
1917
64th Warmest
Warmest since:
2016, 2017
Ties: 1966, 1976, 1977
Oct 1966–Sep 1970
48-Month
52.6°F
(11.4°C)
53.6°F
(12.0°C)
-1.0°F
(-0.6°C)
75th Coolest
Coolest since:
1913
40th Warmest
Warmest since:
2016
Ties: 1961, 1967, 1989, 2011
Oct 1965–Sep 1970
60-Month
52.8°F
(11.6°C)
53.6°F
(12.0°C)
-0.8°F
(-0.4°C)
79th Coolest
Coolest since:
1917
34th Warmest
Warmest since:
2016
Ties: 1941, 1997

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