Parameter Description Distribution
A Minimum PT to qualify a precipitation event 0 to 5 mm
B Maximum amount of time between precipitation measurements to qualify as same event 12 to 24 hours
D Maximum time after beginning of event to find the peak flush 0 to 48 hours
E Maximum time after end of an event to find the maximum dilution 20 min to 48 hours
F Amount of time after a dilution to calculate RSC 0 to 72 hours
G Minimum SC deviation from the PST to qualify a flush or dilution 1 to 3.5 standard deviations