Disaggregation of daily precipitation data into hourly (or finer) data is desirable in situations where long-term hourly data are not available but exist for a comparable location in the region. NetSTORM incorporates an algorithm developed by Socolofsky, Adams, and Entekhabi (2001) that uses daily data from a local gage and hourly data from a more distant station.

 

Review and testing of the original algorithm showed that disaggregated precipitation was normally distributed about noon of each day. The original algorithm was modified to yield a smooth distribution in the output dataset. A future modification to the algorithm is planned to model the same hourly distribution based on the hourly distribution of precipitation in each month of the reference dataset.