Climate trends for Canada, 1950 to 20075
- Average annual air temperature increased by 1.4ºC.
- Strongest warming (>2ºC) was in the west and northwest.
- No significant cooling trend occurred at any location in any season.
- Largest temperature increases were in winter (>4ºC at 26 locations).
- Warming was most prevalent in winter and spring, leading to widespread:
- decrease in winter snowpack and earlier snowmelt;
- earlier start to the growing season.
- Summer warming trends were mainly over southwestern and southeastern Canada.
- Smallest temperature change occurred in the fall.
- Annual precipitation generally increased, most strongly in the northern half of Canada.
- Precipitation increased over the Arctic in all seasons except summer.
- Winter precipitation decreased in southwestern and southeastern Canada.
- The fraction of precipitation falling as snow decreased in southern Canada.
- Date Modified: