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Lewiston, Idaho

Average Temperature Rankings, September 1918

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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 1918
1-Month
65.5°F
(18.6°C)
65.0°F
(18.3°C)
0.5°F
(0.3°C)
87th Coolest
Coolest since:
1895
38th Warmest
Warmest to Date
1990
Aug–Sep 1918
2-Month
67.1°F
(19.5°C)
69.7°F
(20.9°C)
-2.6°F
(-1.4°C)
36th Coolest
Coolest since:
1912
89th Warmest
Warmest since:
2022
Jul–Sep 1918
3-Month
69.7°F
(20.9°C)
71.5°F
(21.9°C)
-1.8°F
(-1.0°C)
37th Coolest
Coolest since:
1912
88th Warmest
Warmest since:
2022
Ties: 1914, 1929, 1946, 1968, 1969, 1989
Jun–Sep 1918
4-Month
70.0°F
(21.1°C)
70.2°F
(21.2°C)
-0.2°F
(-0.1°C)
84th Coolest
Coolest since:
1895
41st Warmest
Warmest to Date
2021
Ties: 2005
May–Sep 1918
5-Month
66.9°F
(19.4°C)
68.0°F
(20.0°C)
-1.1°F
(-0.6°C)
56th Coolest
Coolest since:
1895
69th Warmest
Warmest since:
2021
Ties: 1898
Apr–Sep 1918
6-Month
64.1°F
(17.8°C)
65.3°F
(18.5°C)
-1.2°F
(-0.7°C)
49th Coolest
Coolest since:
1902
76th Warmest
Warmest since:
2021
Ties: 1905, 1923
Mar–Sep 1918
7-Month
61.4°F
(16.3°C)
62.5°F
(16.9°C)
-1.1°F
(-0.6°C)
58th Coolest
Coolest since:
1955
67th Warmest
Warmest since:
2021
Ties: 1935, 1944, 1968
Feb–Sep 1918
8-Month
58.2°F
(14.6°C)
59.5°F
(15.3°C)
-1.3°F
(-0.7°C)
52nd Coolest
Coolest since:
1899
73rd Warmest
Warmest since:
2015
Ties: 1972, 1980
Jan–Sep 1918
9-Month
55.6°F
(13.1°C)
56.9°F
(13.8°C)
-1.3°F
(-0.7°C)
60th Coolest
Coolest since:
1916
65th Warmest
Warmest since:
2015
Ties: 1936
Dec 1917–Sep 1918
10-Month
54.2°F
(12.3°C)
54.7°F
(12.6°C)
-0.5°F
(-0.3°C)
79th Coolest
Coolest since:
1916
43rd Warmest
Warmest to Date
2015
Ties: 1999, 2010
Nov 1917–Sep 1918
11-Month
53.3°F
(11.8°C)
53.5°F
(11.9°C)
-0.2°F
(-0.1°C)
87th Coolest
Coolest since:
1916
35th Warmest
Warmest to Date
2015
Ties: 1939, 1947, 1995, 1999
Oct 1917–Sep 1918
12-Month
53.1°F
(11.7°C)
53.3°F
(11.8°C)
-0.2°F
(-0.1°C)
84th Coolest
Coolest since:
1916
37th Warmest
Warmest to Date
2015
Ties: 1935, 1999, 2019
Apr 1917–Sep 1918
18-Month
56.4°F
(13.6°C)
57.3°F
(14.1°C)
-0.9°F
(-0.5°C)
58th Coolest
Coolest since:
1917
62nd Warmest
Warmest since:
2015
Ties: 1924, 1951
Oct 1916–Sep 1918
24-Month
51.2°F
(10.7°C)
53.4°F
(11.9°C)
-2.2°F
(-1.2°C)
22nd Coolest
Coolest since:
1917
97th Warmest
Warmest since:
2016
Ties: 1904, 1923, 1943
Oct 1915–Sep 1918
36-Month
50.4°F
(10.2°C)
53.3°F
(11.8°C)
-2.9°F
(-1.6°C)
3rd Coolest
Coolest since:
1917
114th Warmest
Warmest since:
2017
Oct 1914–Sep 1918
48-Month
50.8°F
(10.4°C)
53.3°F
(11.8°C)
-2.5°F
(-1.4°C)
7th Coolest
Coolest since:
1913
108th Warmest
Warmest since:
2016
Oct 1913–Sep 1918
60-Month
51.1°F
(10.6°C)
53.3°F
(11.8°C)
-2.2°F
(-1.2°C)
8th Coolest
Coolest since:
1917
105th Warmest
Warmest since:
2016
Ties: 1911, 1912, 1919, 1921, 1924

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