2001-12-11_PERMIT FILE - C1982056A (4)

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Table ? CURVE NUPfBERS Curve numbers (CI.) er.d constart~ Sor the case ? = 0.2 S e 1 2 4 5 i 4 5 _ j ~~ CN for CId for S Curve• CId for CN for S Curve+ condi- conditions values' starts condi- conditions values" starts tior. Where tion Where I III I III II P = II P = inches inc':es inches inches) loo l0O loo 0 0 6:~ lii, 7'~ 6.67 1.33 99 97 loo .101 .o~ 5 7r 6.95 1.39 9fi 9'~ 99 •204 •04 5~ ~~ 7E 7.24 1.45 97 91 99 .30, .05 57 ;~ 75 7.54 1.51 96 89 99 •417 .08 56 36 75 7.86 1.57 95 87 98 •526 .11 55 35 74 8.1c 1.64 94 85 98 .63E .13 54 34 73 8.52 1.70 93 83 9F .753 •15 53 33 72 8.87 1.77 92 81 97 .870 .17 52 32 71 9.23 1.85 91 ~ 97 .989 .20 51 31 70 9.61 1.92 90 78 96 i.il .22 50 31 70 lo.0 2.00 89 76 96 1.24 .25 49 30 69 10.4 2.08 ~` 95 1.36 .27 48 2~ 68 10.8 2.16 87 73 95 1.49 .30 47 2c 67 11.3 2.26 86 i~' 94 1.63 •33 46 27 66 11.7 2.34 85 70 94 1.76 .35 45 26 65 12.2 2.44 84 68 93 1.90 .38 44 25 64 12.7 2.54 83 67 93 2.05 .41 43 25 63 13.2 2.64 82 66 92 2.20 .4b 42 24 62 13.8 2.76 81 64 92 2.34 .47 41 23 61 14.4 2.88 80 63 91 2.50 .50 40 22 60 15.0 3.00 79 62 91 2.66 .53 39 21 59 15.6 3.12 78 60 90 2.82 .56 38 21 58 16.3 3.26 77 59 89 2.99 .60 37 20 57 17.0 3.40 76 58 89 3.16 .63 36 19 56 17.8 3.56 75 57 88 3.33 •67 35 18 55 18.6 3.72 74 55 88 3.51 .70 34 18 54 19.4 3.88 73 54 87 3.70 .74 33 17 53 20.3 4.06 72 53 86 3.89 .78 32 16 52 21.2 4.24 71 52 86 4.08 .82 31 16 51 22.2 4.44 70 51 85 4.28 .86 30 15 50 23.3 4.6' 69 50 84 4.49 .90 68 48 dl: 4.70 .94 25 12 43 30.0 6.00 67 47 83 4.92 .98 20 9 37 40.0 8.00 66 46 82 5.15 1.03 15 6 30 56.7 11.34 65 45 82 5.38 1.08 lO 4 22 90.0 18.00 64 44 81 5.62 1.12 5 2 13 190.0 38.00 63 43 8C 5.B7 1.17 0 C 0 infinity infinity 62 42 79 6.13 1.23 61 41 78 5.39 1.2b +Fcr CI. in column 1. ~• Reproduced from Chapter 10 of tdational Engineerin Handbook, Section 9, Hydrology, SCS. Permit Renewal No. 3 Exhibit Sq I/15/00 Paoe 6 of 22