Lowest April Temperatures in Rapid City

A list of the lowest temperatures ever recorded in the month of April in Rapid City, South Dakota from 1948–2024.
What's the coldest it has ever gotten in Rapid City in April?
The coldest April temperature in Rapid City, South Dakota history was -1 °F which occurred on April 3, 2020.
Rank Temperature Date
1 -1 °F April 3, 2020
2 1 °F April 2, 1975
3 2 °F April 20, 1966
4 5 °F April 14, 2020
5 6 °F April 6, 2009
5 6 °F April 6, 2007
5 6 °F April 13, 1997
8 7 °F April 16, 2022
8 7 °F April 13, 2020
8 7 °F April 8, 1997
11 8 °F April 1, 2023
11 8 °F April 2, 2020
11 8 °F April 1, 2009
11 8 °F April 3, 2002
11 8 °F April 19, 1966
16 9 °F April 6, 2023
16 9 °F April 3, 2018
16 9 °F April 30, 1950
19 10 °F April 14, 2022
19 10 °F April 12, 2020
19 10 °F April 1, 2008
19 10 °F April 8, 2007
19 10 °F April 11, 1990
19 10 °F April 4, 1968