Lowest May Temperatures in Ottawa

A list of the lowest temperatures ever recorded in the month of May in Ottawa, Kansas from 1895–2024.
What's the coldest it has ever gotten in Ottawa in May?
The coldest May temperature in Ottawa, Kansas history was 21 °F which occurred on May 4, 1907.
Rank Temperature Date
1 21 °F May 4, 1907
2 25 °F May 1, 1909
3 26 °F May 1, 1903
4 27 °F May 2, 1909
5 28 °F May 1, 1963
5 28 °F May 1, 1907
7 29 °F May 6, 1944
7 29 °F May 9, 1906
9 30 °F May 3, 1976
9 30 °F May 9, 1923
9 30 °F May 1, 1918
9 30 °F May 10, 1909
9 30 °F May 3, 1907
9 30 °F May 3, 1903
15 31 °F May 7, 1989
15 31 °F May 15, 1907
17 32 °F May 4, 2013
17 32 °F May 2, 2011
17 32 °F May 2, 1961
17 32 °F May 1, 1960
17 32 °F May 4, 1954
17 32 °F May 3, 1954
17 32 °F May 3, 1921
17 32 °F May 2, 1911
17 32 °F May 2, 1908
17 32 °F May 27, 1907