ANALISIS PERBANDINGAN PERHITUNGAN CURAH HUJAN RATA-RATA DALAM MEMPERHITUNGKAN DEBIT LIMPASAN MENGGUNAKAN SOFTWARE HEC-HMS (STUDI KASUS DAS JANGKOK) The Comparison Analysis of Average Rainfall Calculations in Calculating Runoff Discharges Using The HEC-HMS Software (Case Study in Jangkok Watershed) - PRADITA, WIWIN SURYA (2019)