Input (grade 2): The highest temperature ever, recorded on 28 July 1921, was 40.3 Â C (104.5 Â F), and the lowest was a â '20.7 Â C (â' 5.3 Â F) reached on 1 January 1985.
Output (grade 2): The highest temperature ever, recorded on 31 July 1983, was 38.8 Â C (101.8 Â F), and the lowest was a â '20.7 Â C (â' 5.3 Â F) reached on 1 January 1985.