Annual average number of hours with freezing rain and freezing drizzle.
Adapted by Duleepa Wijayawardhana with permission of MUNCL, 1998. From Joyce and Alan
Macpherson, The Natural Environment of Newfoundland and Labrador, Past and Present (St. John's,
Newfoundland: Department of Geography, Memorial University of Newfoundland and Labrador, ©1981)