Critics of wind farms often cite the timing of wind energy – and its apparent mis-match with peak demand, as one of its greatest deficiencies. This Graph of the Day, however, shows that it is ...

Impressive! The graph above shows the daily wind speed (the blue bars) compared to the 30-year-average daily wind speed (the red line) since the first of the year. When winds are at higher speeds ...

Save guides, add subjects and pick up where you left off with your BBC account. A line graph is used to spot trends in data over time. In order to produce a line graph, data is required.

Adjust the size and location of the chart as per your requirements. You would notice that the line graph and scatter plot chart curves are different. However, these charts are static. You could ...

Today’s graph of the day is a follow-up to a story nearly two weeks ago, when Ketan Joshi brought us news of how wind energy had supplied some 47 per cent of South Australia’s overall ...