Lowest April Temperatures in Watertown

A list of the lowest temperatures ever recorded in the month of April in Watertown, South Dakota from 1893–2024.
What's the coldest it has ever gotten in Watertown in April?
The coldest April temperature in Watertown, South Dakota history was -10 °F which occurred on April 5, 1926.
Rank Temperature Date
1 -10 °F April 5, 1926
2 -5 °F April 14, 1928
3 -3 °F April 4, 2018
4 -2 °F April 1, 1975
5 0 °F April 3, 1975
5 0 °F April 7, 1936
7 2 °F April 1, 1924
7 2 °F April 2, 1899
9 3 °F April 5, 2018
10 4 °F April 9, 1997
10 4 °F April 8, 1997
10 4 °F April 1, 1970
10 4 °F April 12, 1961
10 4 °F April 3, 1954
15 5 °F April 2, 1975
15 5 °F April 2, 1954
15 5 °F April 7, 1926
15 5 °F April 2, 1920
15 5 °F April 3, 1899
20 6 °F April 7, 2018
20 6 °F April 6, 2018
20 6 °F April 3, 2018
20 6 °F April 6, 1979
20 6 °F April 13, 1950
20 6 °F April 3, 1936
20 6 °F April 1, 1926