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Lewiston, Idaho

Average Temperature Rankings, September 1918

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Period Value 1991-2020
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1918
1-Month
65.2°F
(18.4°C)
65.8°F
(18.8°C)
-0.6°F
(-0.4°C)
85th Coolest
Coolest since:
1895
40th Warmest
Warmest to Date
1990
Aug–Sep 1918
2-Month
66.8°F
(19.3°C)
70.4°F
(21.3°C)
-3.6°F
(-2.0°C)
33rd Coolest
Coolest since:
1912
92nd Warmest
Warmest since:
2022
Ties: 1919, 1932, 1962
Jul–Sep 1918
3-Month
69.4°F
(20.8°C)
72.2°F
(22.3°C)
-2.8°F
(-1.5°C)
36th Coolest
Coolest since:
1912
89th Warmest
Warmest since:
2022
Ties: 1929, 1934, 1989
Jun–Sep 1918
4-Month
69.7°F
(20.9°C)
70.8°F
(21.6°C)
-1.1°F
(-0.7°C)
82nd Coolest
Coolest since:
1895
43rd Warmest
Warmest to Date
2021
Ties: 1963, 2011
May–Sep 1918
5-Month
66.6°F
(19.2°C)
68.6°F
(20.3°C)
-2.0°F
(-1.1°C)
52nd Coolest
Coolest since:
1895, 1916
73rd Warmest
Warmest since:
2021
Ties: 1914, 1968, 1971, 1975
Apr–Sep 1918
6-Month
63.8°F
(17.7°C)
65.7°F
(18.7°C)
-1.9°F
(-1.0°C)
47th Coolest
Coolest since:
1902, 1916
78th Warmest
Warmest since:
2021
Ties: 1923
Mar–Sep 1918
7-Month
61.1°F
(16.2°C)
62.8°F
(17.1°C)
-1.7°F
(-0.9°C)
54th Coolest
Coolest since:
1955
71st Warmest
Warmest since:
2021
Ties: 1906, 1910, 1935, 1944, 1982, 1985
Feb–Sep 1918
8-Month
58.0°F
(14.4°C)
59.8°F
(15.4°C)
-1.8°F
(-1.0°C)
51st Coolest
Coolest since:
1899
74th Warmest
Warmest since:
2015
Ties: 1946, 1972, 1982
Jan–Sep 1918
9-Month
55.3°F
(12.9°C)
57.2°F
(14.0°C)
-1.9°F
(-1.1°C)
58th Coolest
Coolest since:
1916
67th Warmest
Warmest since:
2015
Ties: 1936, 1952, 1971
Dec 1917–Sep 1918
10-Month
53.9°F
(12.2°C)
55.0°F
(12.8°C)
-1.1°F
(-0.6°C)
78th Coolest
Coolest since:
1916
44th Warmest
Warmest to Date
2015
Ties: 1931, 1941, 1968, 1999
Nov 1917–Sep 1918
11-Month
53.0°F
(11.7°C)
53.7°F
(12.1°C)
-0.7°F
(-0.4°C)
86th Coolest
Coolest since:
1916
36th Warmest
Warmest to Date
2015
Ties: 1939, 1947, 1983, 1995, 1999
Oct 1917–Sep 1918
12-Month
52.9°F
(11.6°C)
53.6°F
(12.0°C)
-0.7°F
(-0.4°C)
84th Coolest
Coolest since:
1916, 1920
37th Warmest
Warmest to Date
2015
Ties: 1935, 1983, 1995
Apr 1917–Sep 1918
18-Month
56.1°F
(13.4°C)
57.6°F
(14.2°C)
-1.5°F
(-0.8°C)
56th Coolest
Coolest since:
1917
64th Warmest
Warmest since:
2015
Ties: 1924, 1951, 1977
Oct 1916–Sep 1918
24-Month
50.9°F
(10.5°C)
53.6°F
(12.0°C)
-2.7°F
(-1.5°C)
20th Coolest
Coolest since:
1917
99th Warmest
Warmest since:
2016
Ties: 1911, 1923, 1943, 1986
Oct 1915–Sep 1918
36-Month
50.2°F
(10.1°C)
53.6°F
(12.0°C)
-3.4°F
(-1.9°C)
3rd Coolest
Coolest since:
1917
114th Warmest
Warmest since:
2016, 2017
Ties: 1957
Oct 1914–Sep 1918
48-Month
50.6°F
(10.3°C)
53.6°F
(12.0°C)
-3.0°F
(-1.7°C)
7th Coolest
Coolest since:
1913
108th Warmest
Warmest since:
2016
Ties: 1957
Oct 1913–Sep 1918
60-Month
50.9°F
(10.5°C)
53.6°F
(12.0°C)
-2.7°F
(-1.5°C)
10th Coolest
Coolest since:
1917
103rd Warmest
Warmest since:
2016
Ties: 1911, 1912, 1919

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