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<br /> <br /> DRAINAGE CRITERIA MANUAL RAINFALL zfr <br /> Table 3-1 <br />e Design Storm Distributions of I-Hour NOAA Atlas Depths <br /> Time Percent of I-Hour NOAA Rainfall Atlas De th <br /> Minutes -year -year -year -year -year <br /> 5 2.0 2.0 .2.0 1.3 1.0 <br /> 10 "4.0 3.7 3.7 3.5 3.0 <br /> 15 8.4 8.7 8.2 5.0 4.6 <br /> 20 16.0 15.3 15.0 8.0 8.0 <br /> 25 25.0 25.0 25.0 15.0 14.0 <br /> 30 14.0 13.0 12.0 25.0 25.0 <br /> 35 6.3 5.8 5.6 . 12.0 14.0 <br /> 40 5.0 4.4 4.3 8.0 8.0 <br /> 45 3.0 3.6 3.8 5.0 6.2 <br /> 50 3.0 3.6 3.2 5.0 5.0 <br /> 55 3.0 3.0 3.2 3.2 4.0 <br /> 60 3.0 3.0 3.2 3.2 4.0 <br /> 65 3.0 3.0 3.2 3.2 4.0 <br />e 70 2.0 3.0 3.2 2.4 2.0 <br />75 2.0 2.5 3.2 2.4 2.0 <br /> 80 2.0 2.2 2.5 1.8 1.2 <br /> 85 2.0 2.2 1.9 1.8 1.2 <br /> 90 2.0 2.2 1.9 1.4 1.2 <br /> 95 2.0 2.2 1.9 1.4 1.2 <br /> 100 2.0 1.5 1.9 1.4 1.2 <br /> 105 2.0 1.5 1.9 1.4 1.2 <br /> 110 2.0 1.5 1.9 1.4 1.2 <br /> 115 1.0 1.5 1.7 1.4 1.2 <br /> 120 1.0 1.3 1.3 1.4 1.2 <br /> Totals 115.7 115.7 115.7 115.6 115.6 <br /> <br />. <br /> <br />5-1-84 <br />