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n <br />U <br />TABLET-WATERSHED DATA <br /> <br />i._ J <br /> <br />Drainage <br />Basin <br />Area <br />acres Flow <br />Length <br />feet Elevation <br />Change <br />feet Watershed <br />Slopa <br />% Runoff <br />Velocity <br />f s Time of <br />Concentration <br />minutes <br />A 410 4900 780 15.9% 2.7 30.2 <br />Bi 394 11250 410 3.6% 1.4 133.9 <br />62-A 390 7300 fi30 8.6% 2.05 59.3 <br />B2-B 329 7000 570 8.1 % 2 58.3 <br />B2-C 292 4700 490 10.4% 2.3 34.1 <br />B2-D 372 5500 620 11.3% 2.4 38.2 <br />82-E 269 10350 200 1.99'0 0.98 176.0 <br />C 627 5200 80 1.5% 0.85 102.0 <br />D-A 325 3900 630 16.2% 2.75 23.6 <br />D-B 321 12500 780 6.2% 1.7 122.5 <br />D-C 617 9000 570 6.3% 1.7 88.2 <br />TABLE 2 -RAINFALL DATA <br />Duration Retum Interval - ears <br />minutes 2 10 25 50 100 <br />5 0.31 0.52 0.63 0.73 0.82 <br />10 0.48 0.81 0.97 1.13 1.28 <br />15 0.60 1.02 1.23 1.43 1.62 <br />30 0.84 1.41 1.71 1.98 2.24 <br />60 1.06 1.79 2.16 2.51 2.84 <br />i 20 1.24 2.00 2.45 2.81 3.17 <br />180 1.38 2.15 2.66 3.04 3.41 <br />360 1.60 2.40 3.00 3.40 3.80 <br />1440 2.20 3.20 3.90 4.40 5.00 <br />7 ..~ .fd <br />