Grand Rapids, Michigan, climate update for November 2017
Max Temp: Actual 63, Mean 66
Min Temp: Actual 17, Mean 17
Av Temp: Actual 38.6, Mean 39.1, YTD Actual 52.7, YTD Mean 50.0
Precip: Actual 2.8, Mean 2.84, YTD Actual 37.47, YTD Mean 32.1
CDD: Actual 0, Mean 0, YTD Actual 719, YTD Mean 694
HDD: Actual 784, Mean 770, YTD Actual 1191, YTD Mean (through 2016-17) 1358
Average temperature year to date is running 5.4% ahead of mean to date.
The warmest years on record here in Grand Rapids were considerably warmer at the same penultimate stage.
In the warmest full year on record by average temperature, 2012, average temperature year to date was 54.4, 1.70 ahead of 2017 year to date and 8.8% ahead of 2017 mean to date.
In the second warmest full year on record, 1931, average temperature year to date was 53.7, 1.0 ahead of 2017 year to date and 7.4% ahead of 2017 mean to date.
In the third warmest full year on record, 1921, average temperature year to date was 54.2, 1.5 ahead of 2017 year to date and 8.4% ahead of 2017 mean to date.
The cooling need during the warm season was 3.6% above the mean.
The warming need thus far into the cool season is running 12.3% under the mean. Seasonably cold temperatures are finally predicted to arrive on Tuesday.
