Rainfallcharacteristics Notation Definition Unit

Amount

SDII Total annual rainfall divided by the total annual number of rainfall days mm

MeanDR Total annual rainfall divided by the annual number of days (365 in usual) mm

StdDR Annual standard deviation of daily rainfall mm

TotalDR Total annual rainfall amount mm

FrequencyPrcp1 Annual number of days defined as a wet day divided by the annual number of

days (365 in usual) %

NWD Annual number of days defined as a wet day days

Extremes(magnitudes

andoccurrences)

CDD Annual maximum for the number of consecutive non-rainfall days days

CWD Annual maximum for the number of consecutive rainfall days days

R3day Annual maximum rainfall over three consecutive days mm

Prec90p Annual number of days with greater than 80 mm of rainfall %

AMDR Annual maximum daily rainfall mm

Subcatchment Population(person)

Area(ha)

Population Density

(person/ha)

GRDP(Won)

S1 4,489 1,500 2.99 801,789

S2 15,781 1,600 9.86 972,363

S3 16,263 1,500 10.84 1,200,856

S4 22,255 1,000 22.26 1,312,923

S5 48,140 800 60.18 1,531,206

S6 49,125 700 70.18 2,843,980

S7 57,835 500 115.67 3,976,917