SALT LAKE COUNTY PUBLIC WORKS DEPT ENGINEERING DIVISION #340 BIG COTTONWOOD CREEK @ COTTONWOOD LANE USGS #: 10168800 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 3.0> 1.0> 1.0> 0 0 0 42 26 48 7.7 3.0> 3.0> 2 1.0> 1.0> 0 0 0 0 50 26 53 5.5 3.0> 3.0> 3 1.0> 1.0> 0 0 0 0 59 36 66 3.0> 5.0> 3.0> 4 1.0> 1.0> 0 0 0 0 56 55 120 3.0> 5.0> 3.0> 5 1.0> 1.0> 0 0 0 0 43 98 133 5.0> 3.0> 3.0> 6 1.0> 1.0> 0 0 0 0 43 133 138 1.0> 3.0> 3.0> 7 1.0> 1.0> 0 0 0 0 56 137 136 1.0> 3.0> 3.0> 8 1.0> 1.0> 0 0 0 0 75 113 139 1.0> 5.0> 3.0> 9 1.0> 1.0> 0 0 0 0 65 121 123 1.0> 3.0> 3.0> 10 1.0> 1.0> 0 0 0 0 51 138 110 1.0> 3.0> 3.0> 11 1.0> 1.0> 0 0 0 1.0> 40 179 83 1.0> 3.0> 3.0> 12 1.0> 1.0> 0 0 0 1.0> 34 125 55 1.0> 3.0> 3.0> 13 1.0> 1.0> 0 0 0 3.0> 30 98 35 3.0> 3.0> 3.0> 14 1.0> 1.0> 0 0 0 5.0> 25 69 35 1.0> 3.0> 3.0> 15 1.0> 1.0> 0 0 0 5.0> 29 39 44 1.0> 3.0> 3.0> 16 1.0> 1.0> 0 0 0 3.0> 21 31 53 3.0> 3.0> 3.0> 17 1.0> 1.0> 0 0 0 5.0> 21 43 51 5.0> 3.0> 3.0> 18 1.0> 1.0> 0 0 0 7.5 33 70 48 5.0> 3.0> 3.0> 19 1.0> 1.0> 0 0 0 7.0 22 84 54 5.0> 3.0> 3.0> 20 1.0> 1.0> 0 0 0 16 20 89 43 5.0> 5.0> 3.0> 21 1.0> 1.0> 0 0 0 27 34 82 43 5.0> 5.0> 3.0> 22 1.0> 1.0> 0 0 0 32 27 91 34 5.0> 5.0> 3.0> 23 1.0> 1.0> 0 0 0 52 16 76 25 3.0> 5.0> 3.0> 24 1.0> 1.0> 0 0 0 67 6.4 43 21 1.0> 3.0> 3.0> 25 1.0> 1.0> 0 0 0 60 5.9 47 20 3.0> 5.0> 3.0> 26 1.0> 1.0> 0 0 0 74 3.0> 36 21 3.0> 5.0> 3.0> 27 1.0> 1.0> 0 0 0 58 3.0> 41 15 3.0> 3.0> 3.0> 28 1.0> 1.0> 0 0 0 43 14 67 9.4 3.0> 3.0> 3.0> 29 1.0> 1.0> 0 0 0 37 38 117 7.0 1.0> 5.1> 3.0> 30 1.0> 1.0> 0 0 ------ 35 33 84 9.1 1.0> 5.0> 3.0> 31 1.0> ------ 0 0 ------ 33 ------ 64 ------ 1.0> 5.0> ------> TOTAL 33.0 30.0 1.0 0 0 571.5 995.3 2,458 1,771.5 88.2 117.1 90.0 MEAN 1.06 1.00 .032 0 0 18.4 33.2 79.3 59.1 2.85 3.78 3.00 MAX 3.0 1.0 1.0 0 0 74 75 179 139 7.7 5.1 3.0 MIN 1.0 1.0 0 0 0 0 3.0 26 7.0 1.0 3.0 3.0 AC-FT 65 60 2.0 0 0 1,130 1,970 4,880 3,510 175 232 179 CAL YEAR 2003 TOTAL 5,098.30 MEAN 14.0 MAX 265 MIN 0 AC-FT 10,110 WTR YEAR 2004 TOTAL 6,155.60 MEAN 16.8 MAX 179 MIN 0 AC-FT 12,210 > Actual value is known to be less than the value shown