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21 <br />PLATTE RIVER BASIN <br /> <br />06708000 SOUTH PLATTE RIVER AT WATERTON, CO <br /> <br />LOCATION.--Lat 39°29'18", long 105°05'32", in NE¼ sec. 34, T.6 S., R.69 W., Jefferson County, Hydrologic Unit <br />10190002, on left bank 168 ft downstream from bridge on State Highway 221, 0.4 mi south of Waterton, 4.7 <br />mi west of Louviers, and 6 mi upstream from Plum Creek. <br /> <br />DRAINAGE AREA AND PERIOD OF RECORD.--2,621 mi²; 1926 to present. <br /> <br />GAGE.--Graphic stage recorder, satellite monitoring DCP with a phone modem, and shaft encoder (on separate <br />floats) in a 60” galvanized, corrugated steel shelter and well. The primary reference is an electric <br />drop tape. Datum of gage 5,484.43 ft National Geodetic Vertical Datum, adjustment of 1912. <br /> <br />REMARKS.--The primary record is hourly data taken from satellite monitoring with chart back up. The record is <br />complete and reliable, except for February 18-21, 2006, which were ice affected. The record is rated <br />good, except for the period February 18-21, 2006, which is estimated and poor. Station maintained and <br />record developed by Jana Ash. <br /> <br />RATING TABLE.--PLAWATCO09 USED FROM 01-OCT-2005 TO 30-SEP-2006 <br /> <br /> <br /> DISCHARGE, IN CFS, WATER YEAR OCTOBER 2005 TO SEPTEMBER 2006 <br /> MEAN VALUES <br /> <br /> DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP <br /> <br /> 1 24 35 26 32 22 33 13 34 296 185 63 67 <br /> 2 12 34 28 32 22 33 12 34 315 185 64 68 <br /> 3 27 40 28 32 35 33 18 38 315 185 65 65 <br /> 4 33 35 27 34 39 34 15 37 320 187 67 63 <br /> 5 32 30 27 31 35 35 12 36 278 142 105 62 <br /> 6 31 31 30 31 35 36 13 34 232 147 106 62 <br /> 7 31 27 30 31 36 21 18 33 208 256 70 62 <br /> 8 31 24 31 32 35 23 17 36 162 559 116 63 <br /> 9 36 21 31 28 34 23 17 34 213 759 160 110 <br /> 10 42 24 30 29 34 19 17 34 320 833 118 130 <br /> 11 36 21 29 31 34 19 16 33 397 702 89 61 <br /> 12 34 22 29 31 37 16 17 34 421 363 138 59 <br /> 13 33 29 23 32 35 18 17 33 406 145 186 60 <br /> 14 34 26 15 33 35 17 17 34 401 252 219 59 <br /> 15 34 27 17 32 34 14 18 52 319 347 242 58 <br /> 16 34 25 24 31 34 13 18 69 233 351 171 49 <br /> 17 34 26 25 33 33 14 17 72 200 368 163 36 <br /> 18 35 23 28 33 35 15 17 72 199 355 177 34 <br /> 19 35 20 29 33 35 16 25 72 199 311 212 30 <br /> 20 35 20 26 32 35 26 31 78 201 325 343 25 <br /> 21 37 23 25 32 35 16 31 66 225 385 371 29 <br /> 22 36 40 25 33 36 16 30 78 309 384 316 27 <br /> 23 36 36 25 30 36 14 31 63 301 316 169 28 <br /> 24 38 36 23 26 33 14 34 72 194 272 62 27 <br /> 25 36 36 23 25 28 14 35 107 294 225 62 27 <br /> 26 36 36 23 23 33 14 33 202 410 268 64 26 <br /> 27 36 36 23 22 32 14 32 225 400 354 194 25 <br /> 28 36 35 23 22 32 14 33 227 328 352 337 25 <br /> 29 37 29 26 22 --- 14 34 229 303 273 291 70 <br /> 30 37 26 33 23 --- 12 34 230 252 130 193 143 <br /> 31 37 --- 33 22 --- 21 --- 253 --- 62 107 --- <br /> <br />TOTAL 1045 873 815 913 939 621 672 2651 8651 9978 5040 1650 <br />MEAN 33.7 29.1 26.3 29.5 33.5 20.0 22.4 85.5 288 322 163 55.0 <br />AC-FT 2070 1730 1620 1810 1860 1230 1330 5260 17160 19790 10000 3270 <br />MAX 42 40 33 34 39 36 35 253 421 833 371 143 <br />MIN 12 20 15 22 22 12 12 33 162 62 62 25 <br /> <br />CAL YR 2005 TOTAL 35783 MEAN 98.0 MAX 717 MIN 12 AC-FT 70980 <br />WTR YR 2006 TOTAL 33848 MEAN 92.7 MAX 833 MIN 12 AC-FT 67140 <br /> <br />MAX DISCH: 902 CFS AT 11:00 ON Jul. 10, 2006 GH 2.24 FT. SHIFT 0.01 FT. <br />MAX GH: 2.24 FT. AT 11:00 ON Jul. 10, 2006 <br /> <br />FOR MORE COMPLETE OR DETAILED INFORMATION SEE DAILY OR MONTHLY RECORD. <br /> <br /> <br /> <br />