Gravel Island (Wisconsin)

Gravel Island is an island in Lake Michigan. It is located in Ellison Bay, in the town of Liberty Grove, Wisconsin.[1][2] The Gravel Island National Wildlife Refuge is made up of Gravel Island, and nearby Spider Island. The island is uninhabited.[3]

Gravel Island

Gravel Island Show map of Wisconsin Gravel Island Show map of the United States
Geography
Location	Door County, Wisconsin
Coordinates	45°15′13″N 86°57′46″W
Area	4 acres (1.6 ha)
Highest elevation	581 ft (177.1 m)
Administration
United States

Climate

Gravel Island Climate chart (explanation) J F M A M J J A S O N D     66     −4 −9     60     −8 −10     62     0 −4     112     3 0     86     9 3     77     13 10     96     18 16     73     19 16     109     17 14     119     10 7     110     6 5     66     4 1 Average max. and min. temperatures in °C Precipitation totals in mm Source: [4] Imperial conversion J F M A M J J A S O N D     2.6     25 16     2.4     18 14     2.4     32 25     4.4     37 32     3.4     48 37     3     55 50     3.8     64 61     2.9     66 61     4.3     63 57     4.7     50 45     4.3     43 41     2.6     39 34 Average max. and min. temperatures in °F Precipitation totals in inches

References

1. "Gravel Island". Geographic Names Information System. Retrieved 22 September 2017.
2. "Door County, Wisconsin map" (PDF). Wisconsin DOT. Retrieved 22 September 2017.
3. "Gravel Island". U.S. Fish & Wildlife Service. Retrieved 22 September 2017.
4. "NASA Earth Observations Data Set Index". NASA. Retrieved 30 January 2016.