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10 <br /> <br />PLATTE RIVER BASIN <br /> <br />06709610 SOUTH PLATTE RIVER BELOW CHATFIELD RESERVOIR, CO <br /> <br />LOCATION.--Lat 39°33'26", long 105°03'27", SE¼, sec. 1, T.6 S., R.69 W., Jefferson County, Hydrologic Unit <br />10190002. <br /> <br />DRAINAGE AREA.--3,018 mi². <br /> <br />GAGE.--Steven’s A-70 Graphic water-stage recorder with satellite telemetry with electric drop tape for <br />reference. <br /> <br />REMARKS.--The record is complete and reliable and is considered good. The satellite is the primary record <br />with the recorder chart as back up. Chart gage heights were used on Sep. 9-10, 1998. Record is <br />good, except flows less than 10 cfs which are fair because they were not adequately defined by <br />measurements. Station maintained and record developed by Rodger Burcher. <br /> <br />RATING TABLE.--PLACHACO02 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 4.3 64 98 48 61 73 205 802 561 139 649 119 <br /> 2 1.1 65 99 52 61 70 172 777 378 192 958 329 <br /> 3 1.2 65 99 55 61 68 176 778 272 213 1040 419 <br /> 4 1.1 65 68 55 61 68 204 777 446 232 837 204 <br /> 5 1.2 56 36 55 61 68 204 778 429 284 717 146 <br /> 6 1.1 45 36 65 61 68 205 956 181 424 584 208 <br /> 7 14 45 36 74 61 68 205 1370 456 501 395 179 <br /> 8 72 45 35 62 61 68 219 1440 718 398 182 87 <br /> 9 64 45 40 48 61 68 229 1260 716 339 72 4.9 <br /> 10 24 51 46 48 61 68 196 1260 445 512 173 6.1 <br /> 11 38 60 46 48 61 59 163 1260 190 810 299 11 <br /> 12 38 60 46 55 61 52 163 1260 117 914 255 13 <br /> 13 38 60 46 64 55 52 175 1200 253 672 316 13 <br /> 14 38 60 46 71 49 52 211 1160 346 380 507 49 <br /> 15 37 60 46 75 49 51 229 1160 147 320 513 53 <br /> 16 37 60 55 76 50 51 339 1160 165 517 409 2.9 <br /> 17 21 44 63 76 52 58 365 1150 217 328 330 12 <br /> 18 6.5 26 63 76 58 112 260 907 222 131 252 38 <br /> 19 6.6 25 63 76 61 192 257 602 222 98 252 50 <br /> 20 2.8 26 63 76 61 169 324 412 141 98 252 50 <br /> 21 0.39 26 63 76 61 103 363 302 154 134 251 50 <br /> 22 0.74 26 63 66 61 102 333 304 234 221 313 55 <br /> 23 0.74 26 63 53 67 102 337 304 229 490 357 44 <br /> 24 0.61 33 55 53 72 85 338 305 202 457 318 12 <br /> 25 0.10 46 47 53 72 71 305 435 130 294 271 0.59 <br /> 26 0.01 58 47 53 72 96 403 635 112 301 269 0.61 <br /> 27 92 63 47 53 73 159 663 717 169 347 269 0.58 <br /> 28 149 79 48 53 73 205 733 717 126 465 252 0.47 <br /> 29 124 98 48 53 --- 206 927 660 95 462 196 0.43 <br /> 30 77 98 47 57 --- 206 929 614 95 400 140 24 <br /> 31 56 --- 47 61 --- 206 --- 614 --- 400 88 --- <br /> <br /> TOTAL 947.49 1580 1705 1886 1718 3076 9832 26076 8168 11473 11716 2181.58 <br /> MEAN 30.6 52.7 55.0 60.8 61.4 99.2 328 841 272 370 378 72.7 <br /> AC-FT 1880 3130 3380 3740 3410 6100 19500 51720 16200 22760 23240 4330 <br /> MAX 149 98 99 76 73 206 929 1440 718 914 1040 419 <br /> MIN 0.01 25 35 48 49 51 163 302 95 98 72 0.43 <br /> <br /> CAL YR 1997 TOTAL 49218.32 MEAN 135 MAX 883 MIN 0.01 AC-FT 97620 <br /> WTR YR 1998 TOTAL 80359.08 MEAN 220 MAX 1440 MIN 0.01 AC-FT 159400 <br /> <br /> MAX DISCH 1660 CFS AT 1430 07-MAY-1998 GH 4.72 FT. SHIFT -0.01 FT. MAX GH 4.72 FT. AT 1430 07-MAY-1998 <br /> <br /> FOR MORE COMPLETE OR DETAILED INFORMATION SEE DAILY OR MONTHLY RECORD. <br /> <br /> <br />0 <br />500 <br />1000 <br />1500 <br />2000 <br />OctNovDecJanFebMarAprMayJunJulAugSep