SALT LAKE COUNTY PUBLIC WORKS DEPARTMENT ENGINEERING DIVISION #340 BIG COTTONWOOD CREEK @ COTTONWOOD LANE USGS #: 10168800 DAILY DISCHARGE IN CUBIC FEET PER SECOND WATER YEAR OCT 1966 TO SEP 1967 DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 .90 .80 2.4 1.0 1.6 1.9 3.0 4.6 188 143 1.9 .30 2 3.5 .90 2.2 1.0 1.6 1.8 2.5 15 178 139 3.5 .30 3 7.3 1.3 2.8 1.2 1.0 2.0 1.8 15 184 123 1.8 .50 4 3.8 4.6 2.5 1.5 1.8 2.0 .20 3.5 201 119 1.3 .80 5 2.4 4.3 2.5 1.4 1.8 2.0 3.8 3.8 234 107 1.2 .80 6 2.2 4.8 2.8 1.4 1.8 1.9 1.5 2.2 241 86 1.2 .70 7 3.0 4.8 3.5 1.4 1.8 2.0 3.4 3.3 228 66 .80 .70 8 2.0 6.9 3.8 1.3 1.6 2.0 1.9 5.8 213 53 .80 .60 9 2.4 4.8 2.5 1.3 1.6 2.0 2.2 16 197 39 .80 .50 10 2.2 5.1 1.2 1.3 1.8 2.2 1.7 56 192 33 .80 .50 11 2.0 4.6 1.0 1.3 1.6 2.5 .40 62 176 35 .60 .60 12 1.8 5.5 2.2 1.5 1.6 2.2 .30 59 180 28 .50 .70 13 4.3 4.8 1.8 1.5 1.4 2.4 .30 43 194 21 .50 .60 14 2.4 5.1 1.8 1.8 1.9 3.5 8.3 33 182 14 .30 .50 15 2.4 3.8 2.0 1.8 1.9 3.0 18 33 171 11 .50 .40 16 4.1 3.3 2.2 1.3 1.9 2.4 12 37 169 8.4 .80 .30 17 3.0 3.5 1.6 1.2 1.9 2.2 5.1 50 165 23 .50 .30 18 1.8 4.4 1.0 1.2 2.0 2.5 6.9 80 186 19 .50 .40 19 1.4 2.5 1.5 1.4 1.8 8.3 6.3 134 213 4.3 .40 .50 20 1.0 2.5 1.5 1.6 1.6 5.5 9.2 170 251 3.5 .30 .40 21 .60 3.5 1.5 1.6 1.3 2.5 7.3 192 235 1.8 .30 .30 22 .30 3.8 1.2 1.6 1.3 2.4 3.3 249 230 1.3 .60 .30 23 .30 4.1 1.2 1.8 1.4 3.5 4.6 298 258 1.3 .80 .50 24 .20 3.0 1.2 1.9 1.8 4.3 1.6 334 224 1.2 .60 .80 25 5.9 3.0 .80 1.9 1.8 1.8 .30 376 213 1.2 .30 1.3 26 1.2 3.5 .50 2.4 1.3 1.8 .20 344 205 1.5 .30 1.4 27 1.4 2.0 1.0 1.8 1.8 7.3 .10 311 184 1.8 .30 1.2 28 1.0 2.0 1.0 1.3 1.8 8.0 .10 302 167 2.0 .50 .90 29 .30 2.8 1.0 1.2 --- 6.2 3.3 268 148 1.4 .80 .60 30 .50 3.0 1.0 1.3 --- 6.9 7.3 239 144 1.4 .70 .50 31 .20 --- 1.0 1.6 --- 3.3 --- 205 --- 1.4 .60 --- TOTAL 65.80 109.00 54.20 45.8 46.5 102.3 116.90 3944.2 5951 1091.5 24.80 18.20 MEAN 2.12 3.63 1.75 1.48 1.66 3.30 3.90 127 198 35.2 .80 .61 MAX 7.3 6.9 3.8 2.4 2.0 8.3 18 376 258 143 3.5 1.4 MIN .20 .80 .50 1.0 1.0 1.8 .10 2.2 144 1.2 .30 .30 AC-FT 131 216 108 91 92 203 232 7820 11800 2160 49 36 WTR YR 1967 TOTAL 11570.20 MEAN 31.7 MAX 376 MIN .10 AC-FT 22950