Hallfax, Nova Scotia, March 15, 2005

10

ES

Temperature (o

0.

5

10

00:00

OOZO

Time of Day

Lethbridge, Alberta, March 15, 2005

10

Temperaturero

0

5

10

8

00:00

02.00

04.00

12.00

14.00

16.00

18:00

20:00

22:00

24.00

Time of Day

a. How much did the temperature vary in each city?

b. For the month of March in Lethbridge, the average high was 6.0°C and the

average low was - 6.5°C. For Halifax, the average high was 3.0°C and the

average low was – 5.8°C. Explain why the temperature changes more in one city