Writing a sentence to summarize the weather for December 2000 in Muskegon is not difficult. Simply, the temperatures were consistently below normal and the snow above normal.
December saw one day with above normal temperatures, the 16th. All other days had at or below normal temperatures.
Lowest temperature was -5 on the 28th. Warmest was 39 on the 4th.
December had 18 days of measurable snow fall, topped by 10.8 inches on the 11th.
The average wind speed was 8.9, below the normal 10.3. Most common wind direction was west.
Such cold and snow weather may or may not help lake levels rise. December is just one month, more similar will be needed before higher lake levels can be confidently predicted.