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Table 1.7Annual regional temperature departures from climate normal, trends and extremes, 1948 to 2007
| Trend 2 | Extreme years | Annual 2007 p | ||||||
|---|---|---|---|---|---|---|---|---|
| Coldest | Warmest | |||||||
| Year on record | Departure 3 | Year on record | Departure 3 | Rank 4 | Departure 3 | |||
| degrees Celsius | 90% confidence interval 5 | year | degrees Celsius | year | degrees Celsius | number | degrees Celsius | |
| Canada 1 | 1.4 | 0.7 to 1.7 | 1972 | -1.8 | 1998 | 2.5 | 13 | 0.9 |
| Atlantic Canada | 0.2 | n.s.s. 6 | 1972 | -1.4 | 1999 | 2.0 | 26 | 0.1 |
| Great Lakes and Lower St. Lawrence | 0.6 | n.s.s. 6 | 1978 | -1.0 | 1998 | 2.3 | 14 | 0.7 |
| Northeastern Forest | 0.8 | n.s.s. 6 | 1972 | -1.9 | 2006 | 2.3 | 14 | 0.6 |
| Northwestern Forest | 1.8 | 0.9 to 2.4 | 1950 | -2.1 | 1987 | 3.0 | 22 | 0.8 |
| Prairies | 1.5 | 0.7 to 2.2 | 1950 | -2.1 | 1987 | 3.1 | 17 | 1.0 |
| South British Columbia Mountains | 1.5 | 1.1 to 2.1 | 1955 | -1.8 | 1998 | 2.0 | 19 | 0.8 |
| Pacific Coast | 1.2 | 0.8 to 1.7 | 1955 | -1.2 | 1958 | 1.6 | 27 | 0.3 |
| North British Columbia Mountains and Yukon Territory | 2.1 | 1.3 to 2.9 | 1972 | -2.1 | 2005 | 2.8 | 31 | 0.9 |
| Mackenzie District | 2.1 | 1.3 to 2.8 | 1982 | -1.5 | 1998 | 3.9 | 18 | 1.0 |
| Arctic Tundra | 1.6 | 0.7 to 2.1 | 1972 | -2.4 | 2006 | 3.4 | 11 | 1.1 |
| Arctic Mountains and Fiords | 1.1 | 0.2 to 1.7 | 1972 | -1.9 | 2006 | 2.3 | 6 | 1.6 |
The climate regions of Canada are illustrated
in Map 1.1 or 2.5.
A linear (least square) trend over the period
of record.
Difference from the normal temperature.
This column ranks 2007 temperature
departures over the period between 1948 and 2007. For example,
the Atlantic Canada Climate Region had a departure that was 0.1°C
warmer than the long term temperature average, which ranked the 2007 season
as the 26th warmest over the 60 year period.
90% confidence interval obtained by a nonparametric
technique.
Not statistically significant.
Source(s):
Environment Canada, 2008, Meteorological Service of Canada, Climate
Research Branch, Climate Trends and Variations Bulletin for Canada, Annual 2007, http://www.msc.ec.gc.ca/ccrm/bulletin/rsummarytable_e.html?table=temperature&season=Annual&date=2007&nyears=60
(accessed March 5, 2008).
