May 8 - Low temperature -7.3°C. Old record -6.7°C in 1947.
May 8 - Low wind chill -11.3. Old record -10.9 in 1981.
May 8 - Low max dewpoint -5.4°C. Old record -4.9°C in 1984.
May 11 - Low temperature -10.3°C. Old record -9.4°C in 1946. Also 2nd latest -10°C and coldest for so late in season.
May 11 - Low wind chill -15.2. Old record -10.4 in 2005. Also latest wind chill below -14.
May 11 - Low max dewpoint -9.4°C. Old record -6.4°C in 2018.
May 11 - Low dewpoint -16.2°C. Old record -11.6°C in 2018. Also all-time lowest in May. Old record -16.1°C May 2, 1967.
May 12 - Low wind chill -10.5. Old record -9.8 in 2013.
May 12 - Low max dewpoint -10.9°C. Old record -4.7°C in 2013*. Also all-time lowest in May. Old record -9.8°C May 6, 1989.
May 12 - Low dewpoint -16.8°C. Old record -11.7°C in 1988. Also all-time lowest in May. Old record set the previous day.
May 13 - Low dewpoint -11.5°C. Old record -10.6°C in 1973.
May 23 - High min dewpoint 11.7°C. Old record 11.1°C in 1991.