SALT LAKE COUNTY PUBLIC WORKS DEPT ENGINEERING DIVISION #320 BIG COTTONWOOD CREEK @ CANYON MOUTH USGS #: 10168499 DAILY DISCHARGE IN CUBIC FEET PER SECOND WATER YEAR OCT 2004 TO SEP 2005 Day OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP ------------------------------------------------------------------------------------------------------------------------------------ 1 5.1 6.3 5.4 5.0 5.0 5.9 8.9 51 328 240 16 6.2 2 5.4 7.9 4.9 4.9 5.1 5.8 10 42 310 257 13 5.8 3 5.3 5.8 4.9 4.9 5.1 5.8 11 41 271 262 11 6.7 4 5.3 5.8 4.9 4.9 4.9 5.9 14 46 226 235 10 8.1 5 5.2 5.8 4.9 4.9 5.0 6.1 11 64 228 218 11 9.3 6 5.4 5.8 4.9 4.9 5.2 6.1 10 99 277 213 8.4 7.5 7 7.8 5.8 4.9 4.8 5.3 6.3 14 98 260 206 8.0 7.1 8 12 5.8 4.9 5.1 5.1 6.5 37 85 214 194 8.4 14 9 10 5.8 5.4 5.8 5.1 6.5 35 81 188 184 8.0 9.7 10 8.9 7.2 5.7 5.7 5.1 7.6 25 102 174 178 8.1 9.4 11 6.9 7.3 5.6 6.3 5.0 8.6 18 104 171 169 6.7 9.0 12 6.8 7.3 5.7 6.1 5.3 9.6 17 95 179 155 6.1 9.2 13 6.9 7.3 5.3 5.7 5.4 8.4 24 88 175 152 5.6 8.5 14 6.3 7.3 5.3 5.5 5.7 6.7 53 96 184 146 5.4 9.0 15 5.9 7.3 5.3 5.3 6.1 6.4 73 108 229 134 5.4 7.6 16 5.7 6.8 5.0 5.3 5.8 6.3 44 164 294 119 5.5 6.5 17 6.7 6.2 5.3 5.2 6.0 6.3 29 201 328 114 5.3 6.2 18 6.7 5.8 5.2 5.1 5.6 6.3 47 161 360 113 5.3 6.3 19 6.8 5.8 4.9 4.9 5.8 6.3 38 189 360 91 5.9 6.0 20 50 5.8 4.9 4.9 5.9 7.9 31 285 356 80 5.4 5.8 21 32 5.8 5.0 4.9 5.8 6.3 24 369 372 70 5.2 9.2 22 14 5.8 5.0 4.9 5.8 6.3 20 395 381 63 5.5 7.5 23 9.4 6.2 4.9 4.9 5.8 7.5 19 423 368 55 5.5 5.9 24 18 6.3 4.9 4.9 5.9 9.2 40 442 353 49 5.2 5.9 25 12 6.3 4.9 4.9 5.8 8.7 53 415 341 44 5.0 5.8 26 9.6 6.3 4.9 4.9 5.8 8.1 58 360 305 40 5.0 5.6 27 9.4 6.3 4.9 4.9 5.9 8.2 69 329 290 34 4.9 8.2 28 13 6.3 4.9 4.9 5.9 10 84 331 265 26 4.9 7.1 29 9.7 5.8 5.2 4.9 ------ 10 81 340 247 21 4.9 6.2 30 7.6 5.8 4.9 4.9 ------ 11 62 377 239 19 4.9 5.9 31 7.5 ------ 5.7 4.9 ------ 8.7 ------ 330 ------ 16 5.2 ------ TOTAL 321.3 189.8 158.5 159.1 154.2 229.3 1,059.9 6,311 8,273 3,897 214.7 225.2 MEAN 10.4 6.33 5.11 5.13 5.51 7.40 35.3 204 276 126 6.93 7.51 MAX 50 7.9 5.7 6.3 6.1 11 84 442 381 262 16 14 MIN 5.1 5.8 4.9 4.8 4.9 5.8 8.9 41 171 16 4.9 5.6 AC-FT 637 376 314 316 306 455 2,100 12,520 16,410 7,730 426 447 CAL YEAR 2004 TOTAL 8,658.00 MEAN 23.7 MAX 164 MIN 4.9 AC-FT 17,170 WTR YEAR 2005 TOTAL 21,193.00 MEAN 58.1 MAX 442 MIN 4.8 AC-FT 42,040