Salt Lake County Public Works Department Engineering Division #340 BIG COTTONWOOD CREEK @ COTTONWOOD LANE USGS #: 10168800 DAILY DISCHARGE IN CUBIC FEET PER SECOND WATER YEAR OCT 2001 TO SEP 2002 Day OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP ------------------------------------------------------------------------------------------------------------------------------------ 1 3.0> 1.0> 1.0> 0 0 0 0 63 243 5.0> 1.0> 3.0> 2 1.0> 1.0> 1.0> 0 0 0 0 59 210 3.0> 1.0> 3.0> 3 3.0> 1.0> 1.0> 0 0 0 1.0> 55 165 1.0> 1.0> 3.0> 4 3.0> 1.0> 1.0> 0 0 0 10 48 145 1.0> 1.0> 3.0> 5 5.0> 1.0> 1.0> 0 0 0 17 64 137 1.0> 1.0> 3.0> 6 5.0> 1.0> 1.0> 0 0 0 28 79 148 1.0> 1.0> 5.0> 7 5.0> 1.0> 3.0> 0 3.0> 0 33 92 170 1.0> 1.0> 3.0> 8 5.0> 1.0> 3.0> 0 3.0> 0 35 90 169 1.0> 1.0> 5.0> 9 7.2 1.0> 1.0> 0 1.0> 0 30 72 139 1.0> 1.0> 3.0> 10 5.3 1.0> 1.0> 0 0 0 34 63 95 1.0> 3.0> 5.0> 11 5.0> 1.0> 1.0> 0 0 0 21 61 73 1.0> 1.0> 5.0> 12 5.0> 1.0> 1.0> 0 0 0 9.4 61 70 1.0> 3.0> 5.0> 13 3.0> 1.0> 1.0> 0 0 3.0> 12 44 71 1.0> 3.0> 5.0> 14 3.0> 1.0> 1.0> 0 0 1.0> 23 56 75 1.0> 3.0> 5.0> 15 5.0> 1.0> 1.0> 0 0 0 60 86 80 1.0> 3.0> 3.0> 16 3.0> 1.0> 1.0> 0 0 0 86 94 80 1.0> 3.0> 3.0> 17 1.0> 1.0> 1.0> 0 0 0 65 108 75 1.0> 1.0> 5.0> 18 1.0> 1.0> 1.0> 0 0 0 43 131 64 3.0> 1.0> 5.6 19 1.0> 1.0> 1.0> 0 0 0 26 168 62 5.0> 1.0> 15 20 1.0> 1.0> 1.0> 0 0 0 21 212 57 3.0> 5.0> 5.0> 21 1.0> 1.0> 1.0> 0 0 0 9.9 214 52 5.0> 5.0> 5.0> 22 1.0> 3.0> 1.0> 0 0 0 2.3 154 43 3.0> 3.0> 5.0> 23 1.0> 3.0> 1.0> 0 0 0 1.0> 104 34 3.0> 3.0> 3.0> 24 1.0> 1.0> 1.0> 0 0 3.0> 1.0> 74 28 1.0> 3.0> 1.0> 25 1.0> 1.0> 1.0> 0 0 3.0> 1.0> 57 21 1.0> 1.0> 1.0> 26 1.0> 1.0> 1.0> 0 0 1.0> 6.0 50 14 3.0> 3.0> 1.0> 27 1.0> 1.0> 1.0> 0 0 0 48 59 11 3.0> 1.0> 1.0> 28 1.0> 1.0> 1.0> 0 0 0 43 82 10 5.0> 1.0> 1.0> 29 1.0> 1.0> 1.0> 0 ------ 0 41 122 7.5 3.0> 1.0> 1.0> 30 1.0> 1.0> 1.0> 0 ------ 0 54 169 8.8 3.0> 3.0> 5.0> 31 3.0> ------ 1.0> 0 ------ 0 ------ 231 ------ 3.0> 3.0> ------ TOTAL 83.5 34.0 35.0 0 7.0 11.0 761.6 3,022 2,557.3 67.0 63.0 116.6 MEAN 2.69 1.13 1.13 0 .25 .35 25.4 97.5 85.2 2.16 2.03 3.89 MAX 7.2 3.0 3.0 0 3.0 3.0 86 231 243 5.0 5.0 15 MIN 1.0 1.0 1.0 0 0 0 0 44 7.5 1.0 1.0 1.0 AC-FT 166 67 69 0 14 22 1,510 5,990 5,070 133 125 231 CAL YEAR 2001 TOTAL 4,082.60 MEAN 11.2 MAX 297 MIN 0 AC-FT 8,100 WTR YEAR 2002 TOTAL 6,758.00 MEAN 18.5 MAX 243 MIN 0 AC-FT 13,400 > Actual value is known to be less than the value shown