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 2005 TO SEP 2006 Day OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP ------------------------------------------------------------------------------------------------------------------------------------ 1 5.8 6.5 5.6 7.9 8.0 15 9.6 129 178 151 32 19 2 12 7.2 6.8 7.3 6.3 11 8.7 139 218 117 24 18 3 5.9 7.6 6.6 7.4 6.3 11 10 143 265 103 20 18 4 7.6 6.9 6.2 6.8 6.3 10 30 147 302 106 18 17 5 6.8 6.5 6.3 6.4 6.3 10 51 166 355 97 17 17 6 7.8 6.3 5.8 6.3 6.2 7.7 49 158 377 78 16 16 7 7.5 6.2 5.5 6.3 6.1 7.7 28 158 394 73 16 16 8 8.5 6.2 5.2 6.2 5.8 7.3 22 172 377 73 16 16 9 6.4 5.9 3.9 6.0 5.8 7.4 29 162 390 72 16 15 10 7.7 5.8 3.9 5.8 5.8 7.0 37 146 372 66 15 14 11 8.7 5.8 7.9 5.9 5.9 6.8 35 143 338 59 15 14 12 7.7 6.0 7.8 5.7 5.9 6.8 34 161 338 53 15 13 13 7.5 5.8 6.9 5.4 5.8 6.8 42 199 335 50 14 12 14 11 6.4 5.8 5.6 5.8 6.7 70 240 310 48 13 15 15 9.9 6.0 5.0 5.9 5.9 6.9 106 299 253 45 13 26 16 8.2 5.8 3.8 5.6 5.9 6.5 106 344 156 42 12 28 17 7.9 5.8 3.7 5.8 5.8 6.5 99 364 145 39 11 21 18 10 5.7 3.7 5.8 5.9 6.8 69 398 183 37 23 19 19 8.9 5.3 3.5 5.8 5.8 7.2 50 425 220 36 25 18 20 7.4 5.4 3.5 5.6 5.8 7.0 42 422 213 33 23 21 21 7.7 5.3 3.8 5.6 5.8 6.9 40 433 197 30 23 20 22 9.6 5.3 6.0 5.4 5.8 6.8 50 414 179 29 24 22 23 10 5.3 13 5.8 5.8 6.8 71 369 161 27 22 21 24 11 5.3 7.5 5.5 5.8 6.8 73 338 152 26 21 19 25 13 5.3 6.3 5.4 5.8 7.4 63 342 156 24 23 17 26 16 5.5 6.4 5.4 6.0 12 62 354 170 23 23 15 27 11 5.3 6.3 5.5 6.3 11 78 359 182 22 22 13 28 21 5.3 6.3 5.6 11 9.8 99 308 161 21 21 10 29 10 5.3 6.8 5.8 ------ 18 114 212 125 20 20 8.0 30 7.4 5.4 6.6 5.8 ------ 15 125 182 117 20 20 7.1 31 6.8 ------ 7.1 5.9 ------ 11 ------ 177 ------ 20 20 ------ TOTAL 286.7 176.4 183.5 185.2 173.7 273.6 1,702.3 8,003 7,319 1,640 593 505.1 MEAN 9.25 5.88 5.92 5.97 6.20 8.83 56.7 258 244 52.9 19.1 16.8 MAX 21 7.6 13 7.9 11 18 125 433 394 151 32 28 MIN 5.8 5.3 3.5 5.4 5.8 6.5 8.7 129 117 20 11 7.1 AC-FT 569 350 364 367 345 543 3,380 15,870 14,520 3,250 1,180 1,000 CAL YEAR 2005 TOTAL 21,170.00 MEAN 58.0 MAX 442 MIN 3.5 AC-FT 41,990 WTR YEAR 2006 TOTAL 21,041.50 MEAN 57.6 MAX 433 MIN 3.5 AC-FT 41,740