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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°11'43", 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 record is complete. The record is reliable with the exception of the following periods of <br />ice-affect: Oct. 26-27; Nov. 16-18; Dec. 5-8, 12-15, 20-21, 23-29, 1997; Jan. 5-12, 21-23; Feb. 2, <br />6, 10-13, 19-22, 26-28; Mar. 1-4, 6, 8-13, 1998. The satellite record is the primary record. <br />Record is rated as poor for periods of ice affect and missing record and rated as good for the <br />period of reliable record. Station maintained and record developed by Rodger Burcher and Robert E. <br />Cooper. <br /> <br />RATING TABLE.--BCRMORCO20 USED FROM 01-OCT-1997 TO 30-SEP-1998 <br /> <br />DISCHARGE, IN CFS, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 <br /> MEAN VALUES <br /> <br /> DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP <br /> <br /> 1 37 45 29 23 20 18 67 327 188 91 119 76 <br /> 2 37 36 29 24 18 18 70 317 187 85 117 74 <br /> 3 36 37 22 24 20 18 73 334 207 79 109 64 <br /> 4 35 39 21 22 20 18 93 353 219 82 142 59 <br /> 5 33 37 22 20 21 18 106 411 218 92 152 54 <br /> 6 33 37 23 23 19 15 103 406 194 78 123 53 <br /> 7 33 37 25 20 20 18 93 455 177 81 118 52 <br /> 8 33 36 28 28 20 20 98 426 175 79 114 51 <br /> 9 32 36 31 31 20 17 93 374 169 101 113 53 <br /> 10 33 29 26 30 16 16 94 348 160 114 115 50 <br /> 11 33 31 22 28 16 18 98 384 175 101 128 49 <br /> 12 37 28 22 27 17 20 107 353 155 84 121 59 <br /> 13 33 33 25 25 19 24 106 322 146 74 113 74 <br /> 14 36 28 27 22 21 27 107 345 135 71 110 56 <br /> 15 36 14 30 21 20 27 109 329 136 66 112 51 <br /> 16 34 14 29 22 20 29 100 300 135 62 107 48 <br /> 17 33 40 28 22 18 29 99 279 133 56 104 49 <br /> 18 32 38 26 23 22 27 108 278 122 51 108 46 <br /> 19 31 36 26 22 18 19 106 284 116 48 122 44 <br /> 20 33 35 23 21 16 30 120 300 112 47 106 42 <br /> 21 35 31 21 17 19 32 133 314 113 44 102 45 <br /> 22 33 27 22 20 20 37 180 316 113 53 97 50 <br /> 23 32 25 22 24 21 53 214 320 110 99 88 44 <br /> 24 37 28 23 20 22 75 256 268 104 80 90 47 <br /> 25 26 27 22 21 23 88 295 238 99 91 96 43 <br /> 26 17 28 20 21 11 84 341 215 97 138 87 39 <br /> 27 43 30 20 20 16 91 311 206 90 90 79 38 <br /> 28 50 32 22 21 17 87 359 201 88 85 73 36 <br /> 29 45 26 23 20 --- 80 349 200 87 92 68 37 <br /> 30 44 26 23 21 --- 73 327 197 89 97 66 38 <br /> 31 49 --- 22 21 --- 70 --- 194 --- 117 64 --- <br /> <br /> TOTAL 1091 946 754 704 530 1196 4715 9594 4249 2528 3263 1521 <br /> MEAN 35.2 31.5 24.3 22.7 18.9 38.6 157 309 142 81.5 105 50.7 <br /> AC-FT 2160 1880 1500 1400 1050 2370 9350 19030 8430 5010 6470 3020 <br /> MAX 50 45 31 31 23 91 359 455 219 138 152 76 <br /> MIN 17 14 20 17 11 15 67 194 87 44 64 36 <br /> <br /> CAL YR 1997 TOTAL 22291 MEAN 61.1 MAX 350 MIN 11 AC-FT 44210 <br /> WTR YR 1998 TOTAL 31091 MEAN 85.2 MAX 455 MIN 11 AC-FT 61670 <br /> <br /> MAX DISCH 833 CFS AT 0115 07-MAY-1998 GH 6.40 FT. SHIFT -0.01 FT. MAX GH 6.40 FT. AT 0115 07-MAY-1998 <br /> <br /> FOR MORE COMPLETE OR DETAILED INFORMATION SEE DAILY OR MONTHLY RECORD. <br /> <br /> <br />0 <br />100 <br />200 <br />300 <br />400 <br />500 <br />OctNovDecJanFebMarAprMayJunJulAugSep