The graphs are produced using daily rainfall data from the patched point data set and data from the department's automatic weather stations (AWS). When data for an AWS is unavailable, data from the geographically closest patched point station are used. For example, many of the AWS only began recording data recently, so historical data from the closest patched point station is used to create pseudo rainfall deciles.
Graph rainfall for grain-growing seasons
Rainfall to date graphs show the rainfall accumulated from the start of the grain growing season and can be used as a tool in the seasonal decision-making process.