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20 <br /> <br />PLATTE RIVER BASIN <br /> <br />NORTH ST. VRAIN CREEK AT TOWN OF LYONS DIVERSION <br /> <br />LOCATION.--lat. 40º14’55”, long 105º17’40” <br /> <br />DRAINAGE AREA AND PERIOD OF RECORD.--N/A, Established station on April 15, 1997. <br /> <br />GAGE.--Graphic water stage recorder and 8210 DCP and SDI shaft encoder in 36-inch concrete shelter and well. <br /> <br />REMARKS.--Record is complete and reliable except for the following periods: Partial record on Apr. 15, 1997 <br />when station was opened; Apr. 27-28, 1997 when clock stopped; June 12-24; July 4-10, 1997 when recorder <br />malfunctioned; July 17; Aug. 5-8, 1997 when recorder malfunctioned and shaft encoder missing data. The <br />record is good, except for periods of no gage-height record, which is fair to poor. Station maintained <br />and record developed by Fred Renner. <br /> <br />RATING TABLE.--LYODIVCO01 USED FROM 01-OCT-1996 TO 30-SEP-1997 <br /> <br />DISCHARGE, IN CFS, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997 <br /> MEAN VALUES <br /> <br /> DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP <br /> <br /> 1 --- --- --- --- --- --- --- 112 371 271 135 52 <br /> 2 --- --- --- --- --- --- --- 132 502 233 135 55 <br /> 3 --- --- --- --- --- --- --- 130 533 211 134 56 <br /> 4 --- --- --- --- --- --- --- 130 510 195 150 55 <br /> 5 --- --- --- --- --- --- --- 157 572 185 165 53 <br /> 6 --- --- --- --- --- --- --- 235 578 175 155 50 <br /> 7 --- --- --- --- --- --- --- 316 738 165 140 44 <br /> 8 --- --- --- --- --- --- --- 316 683 175 135 39 <br /> 9 --- --- --- --- --- --- --- 318 738 190 121 35 <br /> 10 --- --- --- --- --- --- --- 285 715 200 114 35 <br /> 11 --- --- --- --- --- --- --- 259 670 210 113 35 <br /> 12 --- --- --- --- --- --- --- 208 650 191 158 35 <br /> 13 --- --- --- --- --- --- --- 173 630 165 162 31 <br /> 14 --- --- --- --- --- --- --- 169 610 154 136 31 <br /> 15 --- --- --- --- --- --- 20 167 595 153 122 30 <br /> 16 --- --- --- --- --- --- 21 166 575 149 107 30 <br /> 17 --- --- --- --- --- --- 22 164 560 147 101 30 <br /> 18 --- --- --- --- --- --- 22 222 540 147 97 29 <br /> 19 --- --- --- --- --- --- 22 266 520 145 107 32 <br /> 20 --- --- --- --- --- --- 23 263 500 140 109 56 <br /> 21 --- --- --- --- --- --- 34 233 485 139 98 64 <br /> 22 --- --- --- --- --- --- 49 201 470 153 92 59 <br /> 23 --- --- --- --- --- --- 57 218 450 146 84 59 <br /> 24 --- --- --- --- --- --- 75 287 440 154 76 58 <br /> 25 --- --- --- --- --- --- 69 299 414 171 76 51 <br /> 26 --- --- --- --- --- --- 65 263 383 167 76 45 <br /> 27 --- --- --- --- --- --- 75 199 355 142 72 46 <br /> 28 --- --- --- --- --- --- 100 137 352 131 71 43 <br /> 29 --- --- --- --- --- --- 128 112 324 107 66 41 <br /> 30 --- --- --- --- --- --- 121 173 309 101 62 39 <br /> 31 --- --- --- --- --- --- --- 245 --- 122 55 --- <br /> <br /> TOTAL 6555 15772 5134 3424 1318 <br /> MEAN 211 526 166 110 43.9 <br /> AC-FT 13000 31280 10180 6790 2610 <br /> MAX 318 738 271 165 64 <br /> MIN 112 309 101 55 29 <br /> <br /> CAL YR 1996 TOTAL MEAN MAX MIN AC-FT 1880 <br /> WTR YR 1997 TOTAL 32203 MEAN 88.2 MAX 738 MIN 29 AC-FT 63870 <br /> <br /> MAX DISCH 825 CFS AT 1130 07-JUN-1997 GH 3.70 FT. SHIFT -0.07 FT. MAX GH 3.70 FT. AT 1130 07-JUN-1997 <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