SALT LAKE COUNTY PUBLIC WORKS DEPARTMENT ENGINEERING DIVISION #290 Little Cottonwood Creek @ 300 West DAILY DISCHARGE IN CUBIC FEET PER SECOND WATER YEAR OCT 1997 TO SEP 1998 Day OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP ------------------------------------------------------------------------------------------------------------------------------------ 1 12 8.0 7.5 7.0> 7.0> 8.0 15 77 257 412 14 12 2 21 7.5 7.1 7.4 7.0> 7.8 17 69 321 376 11 13 3 13 7.5 7.0> 7.3 7.0> 13 10 83 346 371 11 13 4 12 7.5 7.0> 7.0> 7.0> 10 17 111 433 334 8.6 12 5 12 7.5 7.0> 7.0> 7.3 8.0 15 125 358 319 7.9 11 6 12 7.5 7.0> 7.0> 7.0 12 12 91 268 279 7.1 9.1 7 28 7.5 7.0> 7.0> 8.8 8.3 12 121 212 272 7.0 8.7 8 8.9 7.5 7.1> 7.0> 20 8.0 17 136 197 262 7.6 8.2 9 5.5 7.7 7.0> 7.0> 11 8.0 12 132 212 243 9.4 10 10 5.5 7.5 7.0> 7.0> 7.5 8.0 12 155 209 235 7.7 41 11 58 8.1 7.0> 7.0> 7.6 8.2 9.0 138 210 242 7.3 37 12 26 7.4 7.0> 7.0> 7.5 8.1 41 109 210 226 8.9 25 13 10 7.1 7.0> 12 7.5 8.0 17 129 406 197 9.9 16 14 9.5 7.0 7.0> 7.0 7.5 8.1 18 103 375 180 10 13 15 8.5 7.0> 7.0> 7.7 14 8.0 37 164 327 165 8.9 12 16 10 7.0> 7.0> 7.2 14 8.0 7.0> 121 315 156 9.1 12 17 8.6 7.0> 7.0> 7.0> 8.4 11 7.0> 119 392 135 10 11 18 8.0 7.0> 7.0> 7.0> 11 8.1 7.0> 103 283 101 12 10 19 7.5 7.0 7.0> 9.5 9.8 8.2 7.0> 98 285 109 9.1 9.7 20 7.5 8.4 7.0> 7.2 8.0 8.9 7.0> 109 307 99 8.1 10 21 7.5 7.0> 7.0> 7.0> 7.7 8.0 12 251 308 95 8.9 20 22 7.1 7.0> 7.0> 7.0> 13 8.0 7.0> 204 359 80 8.7 19 23 16 7.0> 7.0> 7.0> 7.7 9.3 12 152 381 62 9.2 16 24 21 7.0> 7.0> 7.0> 9.0 18 60 121 351 62 8.5 14 25 8.3 7.0> 7.0> 7.0> 13 29 51 119 340 102 21 14 26 8.0 7.2 7.0> 7.0> 8.8 19 62 192 386 126 62 14 27 8.0 13 7.0> 7.0> 10 48 54 211 391 75 21 12 28 8.0 7.4 7.0> 7.0> 8.0 75 49 207 336 91 22 12 29 8.0 7.0> 7.0> 7.0> ------ 20 94 209 390 59 15 12 30 7.5 7.0> 7.0> 10 ------ 35 78 240 403 39 13 33 31 13 ------ 7.0> 7.0> ------ 15 ------ 247 ------ 29 13 ------ TOTAL 395.9 225.3 217.7 229.3 262.1 460.0 775.0 4,446 9,568 5,533 386.9 459.7 MEAN 12.8 7.51 7.02 7.40 9.36 14.8 25.8 143 319 178 12.5 15.3 MAX 58 13 7.5 12 20 75 94 251 433 412 62 41 MIN 5.5 7.0 7.0 7.0 7.0 7.8 7.0 69 197 29 7.0 8.2 AC-FT 785 447 432 455 520 912 1,540 8,820 18,980 10,970 767 912 CAL YEAR 1997 TOTAL 19,808.3 MEAN 54.3 MAX 441 MIN 5.5 AC-FT 39,290 WTR YEAR 1998 TOTAL 22,958.9 MEAN 62.9 MAX 433 MIN 5.5 AC-FT 45,540 > Actual value is known to be less than the value shown