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The oceans

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Figure 2

This line graph shows the change in mean atmospheric temperature during a year for Halifax and Bergen.

The horizontal axis is labelled 'month' and is marked from Jan to Dec in monthly intervals.

The vertical axis is labelled 'temperature/°C' and is marked from −10 to 20 in intervals of 5 °C.

There are horizontal and vertical gridlines at the axes markers.

There are two lines on the graph representing the temperature: The temperature at Bergen is presented with a blue line and the temperature for Halifax is presented with a red line.

The temperature at Bergen shows a shallow inverted 'U' shape with low temperatures in the winter months at either end of the graph and high temperatures in the summer months in the middle of the graph. The temperature starts at approximately 0° in Jan and rises steadily through 5° (Apr) to a peak of 14° (July) and then decreases steadily to 2° (Dec).

The temperature at Halifax shows a more extended inverted 'U' shape with lower temperatures in the winter months at either end of the graph and higher temperatures in the summer months in the middle of the graph. The temperature starts at approximately −6° in Jan and Feb and then rises rapidly through 5° (Apr) to a peak of 18° (July) and then decreases steadily to −4° (Dec).

 1 The effect of the oceans on climate