SALT LAKE COUNTY PUBLIC WORKS DEPARTMENT ENGINEERING DIVISION #320 BIG COTTONWOOD CREEK @ CANYON MOUTH USGS #: 10168499 DAILY DISCHARGE IN CUBIC FEET PER SECOND WATER YEAR OCT 2000 TO SEP 2001 Day OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP ------------------------------------------------------------------------------------------------------------------------------------ 1 4.9 6.9 5.5e 4.5 8.7 4.5 6.4 105 95 5.8 5.9 6.8 2 5.0 6.5 4.6 4.5 8.8 4.5 7.0e 97 97 5.8 6.7 6.9 3 5.1 6.2 4.5 4.3 8.8 4.5 8.0e 78 90 5.8 7.5 6.7 4 5.1 7.3 4.5 4.1 8.8 4.5 9.2 52 71 7.6 7.3 6.5 5 5.1 6.5 4.5 4.1 8.8 4.5 9.4 43 51 6.6 6.6 6.3 6 5.3 6.3 4.5 4.1 9.3 4.5 9.1 43 40 6.6 6.2 5.7 7 5.1 6.0 4.5 4.1 9.3 4.5 8.8 46 43 6.6 6.2 5.3 8 5.2 5.9 4.5 4.1 8.3 4.5 8.9 65 49 6.1 6.4 5.0 9 5.3 5.8 4.5 4.1 6.8 4.6 8.3 97 55 7.3 6.2 5.1 10 6.3 5.8 4.7 4.1 8.8 4.9 8.3 129 53 6.3 6.1 4.9 11 8.2 5.7 4.5 4.1 8.8 5.0 8.3 137 54 5.9 6.0 5.1 12 7.3 5.4 4.5 4.1 8.8 4.9 9.5 159 72 5.9 6.2 6.8 13 5.9 5.4 4.7 4.1 8.8 4.7 8.1 186 73 5.8 6.1 7.2 14 5.1 5.6 4.5 4.1 8.8 4.7 7.8 187 36 5.8 6.0 7.0 15 5.3 5.3 4.5 4.1 7.5 4.6 7.8 205 30 5.7 5.9 8.0 16 4.9 6.0 4.5 4.1 5.0 4.7 8.8 319 26 5.5 5.8 7.4 17 4.9 5.7 4.5 4.2 4.5 4.8 13 268 26 5.4 6.0 7.8 18 5.6 5.2 4.5 4.0 4.5 4.9 21 217 26 11 5.9 6.2 19 5.6 5.4 4.6 4.1 4.6 4.8 29 188 25 5.4 5.8 5.8 20 5.0 5.1 4.5 4.1 4.7 5.0 21 171 24 5.5 5.7 5.7 21 7.1 5.3 4.5 4.1 4.5 6.1 15 149 22 5.6 8.9 4.9 22 5.5 5.3 4.5 4.1 4.6 7.0 13 131 19 5.8 9.8 4.9 23 5.1 5.3 4.5 4.1 4.9 8.1 12 131 15 5.7 7.1 4.9 24 5.0 5.2 4.5 4.1 4.7 8.7 12 141 15 5.8 6.8 5.9 25 5.0 5.3 4.5 4.1 4.5 9.1 13 157 14 5.7 6.6 4.9 26 5.0 5.3 4.5 4.1 4.5 8.5 19 168 12 5.8 6.5 4.9 27 5.5 5.3 4.5 4.1 4.5 7.1 35 159 11 5.7 6.4 4.9 28 5.4 6.3 4.5 4.1 4.5 6.8 64 144 8.6 5.7 6.4 5.2 29 5.5 7.2 4.5 4.1 ------ 7.0 97 131 7.8 5.7 7.1 5.3 30 6.9 6.5e 4.5 4.1 ------ 6.6 95 118 6.6 5.9 7.3 5.5 31 6.5 ------ 4.5 7.5 ------ 6.3 ------ 100 ------ 5.7 7.2 ------ TOTAL 172.7 175.0 141.1 131.5 189.1 174.9 592.7 4,321 1,167.0 189.5 204.6 177.5 MEAN 5.57 5.83 4.55 4.24 6.75 5.64 19.8 139 38.9 6.11 6.60 5.92 MAX 8.2 7.3 5.5 7.5 9.3 9.1 97 319 97 11 9.8 8.0 MIN 4.9 5.1 4.5 4.0 4.5 4.5 6.4 43 6.6 5.4 5.7 4.9 AC-FT 343 347 280 261 375 347 1,180 8,570 2,310 376 406 352 CAL YEAR 2000 TOTAL 7,297.40 MEAN 19.9 MAX 224 MIN 4.5 AC-FT 14,470 WTR YEAR 2001 TOTAL 7,636.60 MEAN 20.9 MAX 319 MIN 4.0 AC-FT 15,150 e => Estimated Value