Runoff Curve Number

Runoff Curve Number

 Curve
No.		Area
(acres)		Multiple
Area 1
Area 2
Area 3
Area 4
Area 5
Area 6
  TOTAL

Weighted CN =

 

Runoff:

County:
  Rainfall Frequency, yr.
  1 2 5 10 25 50 100
Rainfall, P(24-hr), in.
Runoff, Q, in.