Salt Lake County Public Works Department Engineering Division #360 BIG COTTONWOOD CREEK below CREEKSIDE PARK USGS #: 10169000 DAILY DISCHARGE IN CUBIC FEET PER SECOND WATER YEAR OCT 1999 TO SEP 2000 Day OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP ------------------------------------------------------------------------------------------------------------------------------------ 1 16 3.0> 13 5.5 3.1 3.0 4.0 47 131 5.7 1.0> 36 2 15 3.0> 8.3 8.7 3.0> 3.0> 4.0 53 118 5.2 3.0> 32 3 10 3.0> 13 11 3.0> 3.0> 5.3 73 113 3.0> 6.5 26 4 11 3.0> 8.8 11 3.0> 3.0> 11 101 96 3.0> 5.3 15 5 14 3.0> 9.1 10 3.0> 3.0> 19 128 87 3.0> 6.2 7.1 6 14 3.2 12 6.3 3.0> 3.0> 33 146 82 3.0> 4.5 6.8 7 16 3.7 24 5.4 3.0> 3.0> 35 157 68 3.0> 3.5 7.8 8 16 3.6 22 5.2 3.0> 3.0> 31 127 64 3.0> 5.5 8.8 9 13 3.5 20 6.9 3.1 4.8 27 100 65 3.0> 6.3 7.1 10 13 3.8 22 9.4 3.0> 4.2 24 100 51 5.6 8.4 5.9 11 5.6 3.4 20 7.1 11 3.0> 19 115 34 7.3 8.0 7.1 12 9.6 3.3 21 3.7 9.5 3.0> 18 105 31 8.0 1.0> 8.6 13 11 3.5 22 3.0 4.3 3.0> 21 94 29 13 1.0> 9.3 14 8.4 3.2 19 3.0> 4.4 3.0> 56 79 32 12 5.1 9.2 15 6.1 3.0> 8.3 3.0> 3.3 3.0> 49 67 30 4.9 6.8 12 16 3.3 3.0> 7.7 3.0> 3.0> 3.0> 34 69 29 3.0> 10 14 17 3.0> 7.4 7.1 3.0> 7.5 5.8 24 70 23 3.0> 12 8.7 18 3.0> 4.0 5.8 4.2 6.2 3.0> 24 73 22 3.0> 14 4.6 19 3.0> 3.1 6.0 3.3 3.0> 5.6 15 77 22 3.0> 6.4 3.0> 20 3.0> 3.6 7.8 3.0 3.0> 5.0 11 74 25 3.0> 5.2 3.2 21 3.0> 9.5 9.0 9.9 13 3.0> 15 88 25 3.0> 3.0> 11 22 3.0> 10 7.0 3.9 4.9 3.0> 28 110 23 3.0> 3.9 13 23 3.0> 7.8 5.0 3.0 3.0> 3.0> 36 143 19 1.0> 14 41 24 3.0> 7.0 4.9 3.0 5.9 3.0> 38 185 22 1.0> 15 20 25 1.0> 6.2 5.9 11 4.2 3.0> 29 220 19 1.0> 11 15 26 3.0> 9.9 4.9 9.5 3.1 3.0> 27 248 11 3.0> 12 15 27 3.0> 11 4.9 3.5 3.0> 5.0 38 196 8.2 3.0> 18 14 28 3.0> 14 4.5 3.3 7.8 18 60 195 7.3 3.0> 21 15 29 7.3 9.5 4.2 3.1 3.1 15 74 206 3.0> 3.0> 20 14 30 3.0> 7.3 4.3 3.0 ------ 16 55 191 4.1 3.0> 34 15 31 3.0> ------ 4.7 4.7 ------ 8.0 ------ 159 ------ 1.0> 49 ------ TOTAL 229.3 162.5 336.2 173.6 133.4 150.4 864.3 3,796 1,293.6 122.7 320.6 405.2 MEAN 7.40 5.42 10.8 5.60 4.60 4.85 28.8 122 43.1 3.96 10.3 13.5 MAX 16 14 24 11 13 18 74 248 131 13 49 41 MIN 1.0 3.0 4.2 3.0 3.0 3.0 4.0 47 3.0 1.0 1.0 3.0 AC-FT 455 322 667 344 265 298 1,710 7,530 2,570 243 636 804 CAL YEAR 1999 TOTAL 19,105.50 MEAN 52.3 MAX 375 MIN 1.0 AC-FT 37,900 WTR YEAR 2000 TOTAL 7,987.80 MEAN 21.8 MAX 248 MIN 1.0 AC-FT 15,840 > Actual value is known to be less than the value shown