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<br />. <br /> <br />UOU9~1 <br /> <br />.J <br /> <br />Table C1. Duration-frequency analysis of early and late spring <br />flow pulses at Grand Island. Nebraska. 1943-1989. <br />Percent Feb 1 - Apr 15 Apr 16 - June 30 <br />Exc. 3-DAY 7-DAY 15-DAY 30-DAY 3-DAY 7-DAY 15-DAY 30-DAY <br />0.1 7650 5816 4798 3814 12800 10857 9928 6970 <br />0.2 5588 4740 3698 3022 8456 5312 4468 2394 <br />0.3 5048 4035 3130 2443 5550 4187 2852 1960 <br />0.4 3903 3000 2700 2096 4617 3566 2239 1705 <br />0.5 3200 2900 2450 2040 4160 2800 1980 1500 <br />0.6 3013 2600 2210 1886 2871 2312 1832 1205 <br />0.7 2752 2376 1996 1614 2604 2060 1558 1066 <br />0.8 2482 2105 1859 1512 1850 1449 1266 877 <br />0.9 1965 1790 1516 1288 1500 1131 956 576 <br />1.0 1400 1250 1100 966 620 606 433 128 <br /> <br />Table C2. Duration-frequency analysis of early and late spring <br />flow pulses at Duncan. Nebraska. 1929-1938. <br /> <br />Percent <br />Exc. 3-DAY <br />0.1 15500 <br />0.2 12000 <br />0.3 11600 <br />0.4 10100 <br />0.5 9000 <br />0.6 7460 <br />0.7 6380 <br />0.8 5800 <br />0.9 5320 <br />1. 0 2250 <br /> <br />Feb 1 - Apr 15 <br />7-DAY 15-DAY 30-DAY <br />7470 5820 4070 <br />7240 5030 3450 <br />7070 5000 3000 <br />6560 4940 3000 <br />6010 4410 2870 <br />5840 3550 2300 <br />4700 2970 2150 <br />4420 2700 1900 <br />4000 2420 1500 <br />2200 1940 878 <br /> <br />3-DAY <br />19000 <br />15000 <br />12500 <br />6130 <br />4930 <br />3680 <br />3340 <br />2200 <br />1330 <br />1150 <br /> <br />Apr 16 - June 30 <br />7-DAY 15-DAY 30-DAY <br />13000 9600 7540 <br />12200 8020 5610 <br />10100 7300 5360 <br />5500 4600 3280 <br />3440 2980 1750 <br />3420 2500 1540 <br />3040 2200 1520 <br />1190 920 590 <br />1070 675 405 <br />934 420 12 <br />