Design Storm Observed CrcmCcsm CrcmCgcm Hrm3Gfdl Hrm3Hadcm3 Rcm3Cgcm3 Rcm3Gfdl Average 24 hr 25 yr for detention pond 102.2 103 120.3 126.1 113.8 115.9 170.7 125 24 hr 5 yr for storm sewer 68.7 73.7 82.5 82.3 75.4 79.8 91.8 80.9

Table 4: Design storm depths (in mm) used for detention pond and storm sewer performance analysis.