SALT LAKE COUNTY PUBLIC WORKS DEPARTMENT ENGINEERING DIVISION #290 LITTLE COTTONWOOD CREEK @ 300 WEST USGS #: 10168000 DAILY DISCHARGE IN CUBIC FEET PER SECOND WATER YEAR OCT 1990 TO SEP 1991 Day OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP ------------------------------------------------------------------------------------------------------------------------------------ 1 6.8 16 5.0> 5.0> 5.0> 5.0> 5.0> 7.6 146 34 8.5 6.5 2 7.2 6.1 5.0> 5.0> 5.0> 5.0> 5.0> 5.0> 181 34 6.6 6.0 3 7.6 5.0> 5.0> 5.0> 5.0> 5.0> 5.1 7.6 159 33 9.0 5.3 4 7.6 5.0> 5.0> 5.0> 5.0> 5.0> 5.0> 5.0> 232 33 28 6.0 5 7.6 11 5.0> 5.0> 5.0> 5.0> 5.0> 5.3 320 33 22 6.0 6 7.6 5.7 5.0> 5.0> 5.0> 5.0> 5.0> 5.0> 342 35 14 6.8 7 7.6 5.0> 5.0> 5.0> 5.0> 5.0> 5.3 5.0> 309 33 8.6 60 8 7.6 5.8 5.0> 5.0> 5.0> 5.0> 5.0> 5.2 363 33 6.7 81 9 7.6 5.0> 5.0> 5.0> 5.0> 5.0> 5.0> 11 349 40 6.3 56 10 7.6 5.0> 5.0> 5.0> 5.0> 5.0> 8.9 50 350 16 6.2 51 11 7.6 5.0> 5.0> 5.0> 5.0> 5.0> 7.0 46 400 12 7.6 26 12 7.6 5.0> 5.0> 5.0> 5.0> 5.0> 5.0> 53 419 7.5 7.3 22 13 7.6 5.0> 5.0> 5.0> 5.0> 5.0> 5.0> 35 503 7.0 6.6 26 14 7.6 5.0> 5.0> 5.0> 5.0> 5.0> 5.0> 36 453 7.0 6.7 7.3 15 7.6 44 5.0> 5.0> 5.0> 5.0> 5.0> 48 362 7.4 12 5.7 16 7.6 5.2 5.0> 5.0> 5.0> 5.0> 5.0> 17 301 8.5 11 5.6 17 7.4 5.0> 5.0> 5.0> 5.0> 5.0> 5.0> 25 295 8.0 8.3 5.6 18 7.2 5.0> 5.0> 5.0> 5.0> 5.0> 5.0> 26 226 11 8.4 6.0 19 47 5.0> 5.0> 5.0> 5.0> 5.0> 5.0> 25 172 18 12 7.0 20 9.5 5.2 5.0> 5.0> 5.0> 5.0> 5.0> 24 159 12 14 6.5 21 9.0 5.0 5.0> 5.0> 5.0> 5.0> 13 26 140 8.0 11 5.7 22 8.6 5.0> 5.0> 5.0> 5.0> 5.0> 8.0 44 121 6.5 8.1 8.1 23 8.6 5.0> 5.0> 5.0> 5.0> 5.0> 7.6 103 115 8.0 7.9 7.7 24 8.0 5.0> 5.0> 5.0> 5.0> 5.0> 12 111 102 7.0 7.9 8.8 25 8.0 5.0> 5.0> 5.0> 5.0> 5.0> 67 190 78 7.0 9.6 6.6 26 8.0 5.8 5.0> 5.0> 5.0> 5.0> 21 257 54 8.2 11 5.6 27 8.0 5.0> 5.0> 5.0> 5.0> 5.0> 22 266 44 6.6 16 5.6 28 8.0 5.0> 5.0> 5.0> 5.0> 5.0> 9.1 223 40 6.5 12 5.7 29 6.2 5.0> 5.0> 5.0> ------ 5.0> 15 138 35 6.0 6.5 6.3 30 5.2 5.0> 5.0> 5.0> ------ 5.0> 12 187 38 7.2 6.1 5.8 31 5.1 ------ 5.0> 5.0> ------ 5.0> ------ 162 ------ 7.5 6.5 ------ TOTAL 274.2 209.8 155.0 155.0 140.0 155.0 293.0 2,148.7 6,808 500.9 312.4 468.2 MEAN 8.85 6.99 5.00 5.00 5.00 5.00 9.77 69.3 227 16.2 10.1 15.6 MAX 47 44 5.0 5.0 5.0 5.0 67 266 503 40 28 81 MIN 5.1 5.0 5.0 5.0 5.0 5.0 5.0 5.0 35 6.0 6.1 5.3 AC-FT 544 416 307 307 278 307 581 4,260 13,500 994 620 929 CAL YEAR 1990 TOTAL* 639.0 MEAN 6.95 MAX 47 MIN 5.0 AC-FT 1,270 WTR YEAR 1991 TOTAL 11,620.2 MEAN 31.8 MAX 503 MIN 5.0 AC-FT 23,050 * Incomplete Record > Actual value is known to be less than the value shown