In this model, the water use node uses monthly varying, average daily consumptions for indoor and outdoor use. It disaggregates the daily demand data to a sub-daily time-step using a non-dimensionalised diurnal pattern. A sample pattern is provided, however, you can specify your own. See the Water Use (page 143) node section and the diurnal pattern (page 162) file format specification for details on how to do this.
The disaggregated demand is then further portioned into different end-uses for both indoor and outdoor consumption. This enables supply sources to be selected for different end uses. You can also model demand management options by applying a demand reduction percentage to individual end-uses, to represent things such as water-efficient appliances, and
water saving practices. The discharge from consumption activities can also be apportioned to various water streams in the water use node.