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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />. <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br /> Table 4-1 <br /> DEPTH-DURATION-FREQUENCy(1) <br />Duration 2-Year 10-Year 100-Year <br />(Minutes) (Inch) (Inch) (Inch) <br />5 .26 .52 .72 <br />10 .40 .78 1. 08 <br />15 .47 .93 1. 28 <br />20 .53 1. 04 1.44 <br />25 .58 1. 14 1.57 <br />30 .63 1.24 1.71 <br />40 .71 1. 39 1. 91 <br />50 .80 1. 50 2.09 <br />60 .85 1.60 2.20 <br />80 .92 1. 75 2.41 <br />100 1. 00 1.88 2.57 <br />120 1.04 1. 99 2.70 <br />150 1.10 2.10 2.88 <br />180 1.19 2.20 3.01 <br />240 1. 28 2.39 3.22 <br />300 1. 37 2.55 3.46 <br />360 1.45 2.70 3.65 <br />8 hrs. 1.53 2.75 3.71 <br />10 hrs. 1. 60 2.80 3.78 <br />12 hrs. 1. 68 2.82 3.80 <br />14 hrs. 1. 70 2.85 3.84 <br />16 hrs. 1. 76 2.88 3.89 <br />18 hrs. 1. 80 2.90 3.91 <br />20 hrs. 1. 82 2.91 3.94 <br />22 hrs. 1.86 2.92 3.98 <br />24 hrs. 1. 90 2.95 4.00 <br /> <br />(1) Based on approximate location of Section 27, T5S, R69W, <br />as central point for depth-duration-frequency map. <br /> <br />4-3 <br />