Lowest January Temperatures in Ottumwa

A list of the lowest temperatures ever recorded in the month of January in Ottumwa, Iowa from 1894–2024.
What's the coldest it has ever gotten in Ottumwa in January?
The coldest January temperature in Ottumwa, Iowa history was -36 °F which occurred on January 22, 1930.
Rank Temperature Date
1 -36 °F January 22, 1930
2 -28 °F January 4, 1947
2 -28 °F January 12, 1912
4 -25 °F January 20, 1936
5 -23 °F January 10, 1982
6 -22 °F January 12, 1974
6 -22 °F January 18, 1930
8 -21 °F January 31, 2019
8 -21 °F January 30, 2019
8 -21 °F January 20, 1985
8 -21 °F January 21, 1970
8 -21 °F January 23, 1963
8 -21 °F January 14, 1957
8 -21 °F January 19, 1936
8 -21 °F January 12, 1918
16 -20 °F January 1, 2018
16 -20 °F January 16, 2009
16 -20 °F January 31, 1996
16 -20 °F January 15, 1979
16 -20 °F January 29, 1966
16 -20 °F January 10, 1942
16 -20 °F January 23, 1936
16 -20 °F January 23, 1930
16 -20 °F January 10, 1930
16 -20 °F January 5, 1924
16 -20 °F January 13, 1916
16 -20 °F January 28, 1915
16 -20 °F January 25, 1894