Grand Rapids, Michigan, Climate Update for June 2018
Max temp 94, Mean Max temp 94
Min temp 48, Mean Min temp 43
Av temp 69.9, Mean Av temp 67.7
Precip 2.50, Mean precip 3.54
Snowfall 0, Mean snowfall T, Season final 77.7, Mean Season 66.7
Heating Degree Days 12, Mean HDD 54, Season final 6456, Mean Season 6705
Cooling Degree Days 168, Mean CDD 139, Season to date 276, Mean Season to date 184
The heating season has finished 3.7% warmer than the mean using HDD as a measure. It ranked 32nd warmest since 1904.
The cooling season to date as measured by CDD has moderated to 50% warmer than the mean after a hot early start to the summer season.