12 2026 02 12 Crestmont CC Stormwater Management Report

NOAA NWS Current Future Precipitation Frequency PFDS 24-Hour Precipitation Current Rainfall Future Rainfall Adjustment Factor of Storms Rainfall Depth Adjustment Factor Depth (inches) Depth (inches) for Essex County (inches) for Essex County 2-Year 3.43 1.01 3.46 1.19 4.08 10-Year 5.22 1.03 5.38 1.22 6.37 25-Year1 6.46 1.04 6.72 1.26 8.13 100-Year 8.72 1.06 9.24 1.33 11.60 Notes: 1. The adjustment factors for the current and future 25-year storms was found using a weighted average of the 10- and 100-year adjustment factors.