Grand Rapids, Michigan, Climate Update for October 2018:
Max temp 84, Mean Max temp 79
Min temp 27, Mean Min temp 28
Av temp 50.4, Mean Av temp 51.3
Precip 5.69, Mean precip 3.00 (year to date 39.73, 5.21 above the mean annual 34.52)
Cooling Degree Days 20, Mean CDD 9, Season to date 1003, Mean Season to date 690.
The cooling season to date as measured by CDD has been 45% warmer than the mean to date.
Season to date 2018 is 7th warmest on record for total CDD:
1921: 1200
1931: 1061
2012: 1039
1936: 1022
1934: 1007
1933: 1004
2018: 1003
1939: 972.
There have been five months in a row in 2018 with max temps in the 90s, the first time that has happened since 1991.
