The bar chart illustrates the amount of electricity in watts used by American households in a day, including the use of cold appliances, entertainment, heating & lighting, cooking, wash and drying, and others.
Overall, the amount of electricity used has increased through day to night,which in the time of 18:00,there are the largest amount of electricity used where there are least electricity used in the time of 4:00; which the usage of other categories is the highest and the use of cold appliances is the lowest.
In terms of the amount of electricity used. For the highest amount of electricity used in 18:00, which is about to hit 800 watts, unlike the lowest amount of electricity used in 4:00 is slightly more than 200 watts.
Additionally, in the proportion of the categories used, the proportion of other usage is the largest, while the cooking, washing & drying, entertainment and heating & lighting has similar proportion of usage,unlike the use of cold appliances has the smallest proportion of usage in a day.