Lowest April Temperatures in Spearfish

A list of the lowest temperatures ever recorded in the month of April in Spearfish, South Dakota from 1893–2024.
What's the coldest it has ever gotten in Spearfish in April?
The coldest April temperature in Spearfish, South Dakota history was -8 °F which occurred on April 4, 1920.
Rank Temperature Date
1 -8 °F April 4, 1920
2 -4 °F April 3, 2020
3 -2 °F April 2, 1936
3 -2 °F April 3, 1920
3 -2 °F April 2, 1920
6 1 °F April 4, 1968
6 1 °F April 1, 1899
8 2 °F April 2, 2020
8 2 °F April 1, 1936
10 3 °F April 3, 1945
10 3 °F April 3, 1899
12 4 °F April 7, 1997
12 4 °F April 11, 1940
14 5 °F April 3, 2002
14 5 °F April 2, 1975
14 5 °F April 3, 1954
14 5 °F April 5, 1920
18 6 °F April 8, 1997
18 6 °F April 15, 1961
18 6 °F April 5, 1936
18 6 °F April 14, 1928
18 6 °F April 6, 1920