SALT LAKE COUNTY PUBLIC WORKS DEPARTMENT ENGINEERING DIVISION #290 Little Cottonwood Creek @ 300 West USGS #: 10168000 DAILY DISCHARGE IN CUBIC FEET PER SECOND WATER YEAR OCT 2003 TO SEP 2004 Day OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP ------------------------------------------------------------------------------------------------------------------------------------ 1 8.0 5.5 5.0> 5.0> 5.0> 11 5.0> 17 21 9.4 5.7 5.3 2 7.8 5.5 5.0> 5.0> 5.0> 10 9.2 27 27 8.3 8.1 5.6 3 7.0 7.1 5.0> 5.0> 5.0> 5.0> 12 27 69 7.2 11 9.8 4 7.3 5.6 5.0> 5.0> 5.0> 5.0> 15 37 132 8.4 10 5.6 5 7.6 5.5 5.0> 5.0> 5.0> 5.0> 15 79 154 9.4 8.2 6.1 6 7.3 5.0> 5.0> 5.0> 5.0> 14 18 110 159 7.5 7.2 7.9 7 7.0 5.0> 13 5.0> 5.0> 5.0> 35 100 159 7.1 7.6 8.2 8 6.9 5.0> 8.2 5.0> 5.0> 5.0> 58 95 167 5.9 8.7 6.0 9 6.9 5.0> 7.2 5.0> 5.0> 5.0> 39 76 160 6.1 8.4 6.0 10 7.2 7.3 5.0> 5.0> 5.0> 5.0> 32 94 161 5.7 8.4 6.1 11 6.9 5.0> 5.0> 5.0> 5.0> 5.0> 25 112 103 5.3 7.0 6.4 12 6.2 5.0> 5.0> 5.0> 5.0> 5.0> 21 83 57 5.1 8.2 6.1 13 6.0 6.6 5.0> 5.0> 5.0> 5.0> 20 47 31 6.9 9.5 7.9 14 6.0 5.0> 5.0> 5.0> 5.0> 5.0> 14 27 24 4.6 9.6 5.4 15 6.0 5.0> 5.0> 5.0> 5.0> 5.0> 11 21 39 11 9.4 5.0 16 6.0 7.0 5.0> 5.0> 5.0> 5.0> 11 25 31 7.8 9.3 4.9 17 6.0 8.9 5.0> 5.0> 5.0> 5.0> 10 21 34 13 7.9 5.9 18 6.0 5.5 5.0> 5.0> 8.2 5.0> 58 32 40 12 7.1 5.0 19 6.0 5.0> 5.0> 5.0> 14 5.0> 16 50 34 13 9.6 13 20 6.0 5.0> 5.0> 5.0> 8.2 5.0> 14 61 28 9.8 10 23 21 6.0 5.0> 9.8 5.0> 8.0> 5.0> 40 52 26 9.3 11 8.6 22 6.0 5.0> 7.7 5.0> 8.0> 5.0> 20 57 17 9.2 10 8.5 23 6.0 5.0> 5.0> 5.0> 8.1 5.0> 13 47 13 7.7 11 7.8 24 6.0 5.0> 5.0> 5.0> 8.1 5.0> 13 36 12 7.1 11 7.5 25 6.0 5.0> 23 5.0> 8.2 9.9 13 31 12 7.3 11 7.2 26 5.7 5.0> 9.3 5.0> 26 67 13 26 16 8.0 11 6.9 27 5.5 5.0> 8.5 5.0> 14 12 15 33 15 6.5 7.4 6.5 28 5.5 5.0> 8.1 5.0> 17 9.1 17 65 13 4.9 6.9 6.5 29 5.5 5.0> 5.0> 5.0> 13 7.9 21 127 15 6.4 11 6.5 30 6.4 5.0> 5.0> 5.0> ------ 12 18 70 14 6.5 9.5 6.6 31 5.5 ------ 5.0> 5.0> ------ 5.0> ------ 32 ------ 6.0 6.9 ------ TOTAL 198.2 164.5 204.8 155.0 225.8 262.9 621.2 1,717 1,783 242.4 277.6 221.8 MEAN 6.39 5.48 6.61 5.00 7.79 8.48 20.7 55.4 59.4 7.82 8.95 7.39 MAX 8.0 8.9 23 5.0 26 67 58 127 167 13 11 23 MIN 5.5 5.0 5.0 5.0 5.0 5.0 5.0 17 12 4.6 5.7 4.9 AC-FT 393 326 406 307 448 521 1,230 3,410 3,540 481 551 440 CAL YEAR 2003 TOTAL 8,157.7 MEAN 22.3 MAX 410 MIN 3.5 AC-FT 16,180 WTR YEAR 2004 TOTAL 6,074.2 MEAN 16.6 MAX 167 MIN 4.6 AC-FT 12,050 > Actual value is known to be less than the value shown