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11 <br /> <br />PLATTE RIVER BASIN <br /> <br />06710500 BEAR CREEK AT MORRISON, CO <br /> <br />LOCATION.--Lat 39°39'11", long 105°11'42, in SE¼SW¼ sec. 35, T.4 S., R.70 W., Jefferson County, Hydrologic <br />Unit 10190002, on left bank at Morrison, 180 ft upstream from bridge on State Highway 8 and 0.2 mi <br />upstream from Mount Vernon Creek. <br /> <br />DRAINAGE AREA AND PERIOD OF RECORD.--164 mi². Sporadic, incomplete data Sep. 1881 to Feb. 1902. Good data <br />October 1919 to current year. Monthly data for some periods only. Some early years published as <br />near Morrison, at Starbuck, at Idledale. Water quality data from Oct. 1976 to Sep. 1981. <br /> <br />GAGE.--Water-stage recorder with satellite telemetry, shaft encoder and Telemark in a 42-inch metal shelter <br />and well with supplemental outside wire weight gage. <br /> <br />REMARKS.--The hourly satellite record is the primary record. Record is complete except for the following <br />periods: Dec. 7, 1998-Feb. 23, 1999 reported data was unreliable to an unknown and variable amount <br />of ice affect; Mar. 5; May 13, 1999 due to ice affect and flush correction respectively. These <br />periods estimated and rated as poor. The remainder of year rated good. Station maintained and <br />record developed by Rodger Burcher. <br /> <br />RATING TABLE.--BCRMORCO20 USED FROM 01-OCT-1998 TO 30-SEP-1999 <br /> <br />DISCHARGE, IN CFS, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 <br />MEAN VALUES <br /> <br /> DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP <br /> <br /> 1 48 33 19 12 12 17 15 243 378 129 137 81 <br /> 2 48 34 21 12 14 17 17 236 323 122 115 76 <br /> 3 40 33 17 12 15 10 9.9 231 282 117 100 75 <br /> 4 41 31 18 12 13 16 15 217 230 112 103 71 <br /> 5 38 25 16 13 14 14 20 180 196 106 279 65 <br /> 6 34 28 15 13 16 12 18 150 174 106 279 58 <br /> 7 37 32 12 13 15 12 21 135 166 109 205 53 <br /> 8 36 23 12 13 16 19 22 133 171 110 213 51 <br /> 9 36 36 12 13 16 13 15 157 173 109 190 51 <br /> 10 34 22 12 14 19 16 15 201 200 99 200 48 <br /> 11 33 30 12 15 11 15 6.3 158 187 95 181 50 <br /> 12 31 30 12 17 13 16 14 136 181 99 164 50 <br /> 13 31 31 12 17 17 13 16 158 168 84 144 49 <br /> 14 31 38 12 14 19 18 30 175 169 82 141 46 <br /> 15 31 33 12 17 17 23 25 177 183 82 134 45 <br /> 16 31 30 12 14 15 20 19 180 197 83 126 44 <br /> 17 32 29 12 14 15 19 22 159 203 116 130 41 <br /> 18 30 28 12 16 14 18 28 143 212 93 122 40 <br /> 19 30 21 12 16 13 20 28 139 203 87 113 43 <br /> 20 32 17 12 16 10 21 30 142 199 85 113 52 <br /> 21 32 23 12 15 10 20 31 140 190 77 115 49 <br /> 22 31 32 12 13 11 20 44 146 187 73 113 42 <br /> 23 31 25 12 13 11 18 39 155 190 84 102 40 <br /> 24 33 23 12 13 16 18 37 188 194 69 96 39 <br /> 25 31 25 12 13 16 18 52 630 185 77 95 38 <br /> 26 30 24 12 13 15 18 52 629 176 70 99 37 <br /> 27 32 24 12 13 11 20 62 656 164 71 97 37 <br /> 28 44 24 12 13 14 18 65 658 146 80 98 39 <br /> 29 33 25 12 13 --- 15 209 569 139 82 94 38 <br /> 30 31 20 12 13 --- 15 250 428 133 97 83 41 <br /> 31 33 --- 12 13 --- 15 --- 388 --- 136 79 --- <br /> <br /> TOTAL 1065 829 406 428 398 524 1227.2 8037 5899 2941 4260 1489 <br /> MEAN 34.4 27.6 13.1 13.8 14.2 16.9 40.9 259 197 94.9 137 49.6 <br /> AC-FT 2110 1640 805 849 789 1040 2430 15940 11700 5830 8450 2950 <br /> MAX 48 38 21 17 19 23 250 658 378 136 279 81 <br /> MIN 30 17 12 12 10 10 6.3 133 133 69 79 37 <br /> <br /> CAL YR 1998 TOTAL 30611 MEAN 83.9 MAX 455 MIN 11 AC-FT 60720 <br /> WTR YR 1999 TOTAL 27503.2 MEAN 75.4 MAX 658 MIN 6.3 AC-FT 54550 <br /> <br /> MAX DISCH 911 CFS AT 1500 25-MAY-1999 GH 6.18 FT. SHIFT 0.30 FT. MAX GH 6.18 FT. AT 1500 25-MAY-1999 <br /> <br /> FOR MORE COMPLETE OR DETAILED INFORMATION SEE DAILY OR MONTHLY RECORD. <br /> <br />0 <br />200 <br />400 <br />600 <br />800 <br />OctNovDecJanFebMarAprMayJunJulAugSep