2. Create a chart to record your data. The chart will need to have the date, the time of day and the cloud cover. All this information needs to be gathered for each day for two weeks and displayed all on the same chart.
3. Select two times during the day, one in the morning and the other in the afternoon, when you will estimate cloud cover. These times need to be the same each day.
4. Collect your data and record it on the chart you created. Repeat every day for two weeks.