Days with Tmin <-15°C describes the number of days where the lowest temperature of the day is colder than -15°C. This index gives an indication of the number of very cold days in the selected time period.
Cold weather is an important aspect of life in Canada, and many places in Canada are well adapted to very cold winters. Cold temperatures affect our health and safety, determine what plants and animals can live in the area, limit or enable outdoor activities, define how we design our buildings and vehicles, and shape our transportation and energy use.
The number of days with a minimum temperature (Tmin) less than -15°C.
Use the Variable menu option to view annual, monthly or seasonal values for this index.