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CUNN ISON RIYER BASIN • 721 <br />_ _ 09746200 UN COMPAHCAE RI YEP NEAR AIDCYAT, CO <br />LOCATION.--L at 38'11'02", long 107'44'43", Sn SY8NE8 aec.4, 7.45 N., A.8 Y., Ouray County, Hydrologic <br />On1t 14020006, on rl ght bank 14 ft dornatreem from bridge, 0.2 mi dornstream from Dry Creek, 0.5 mi upatraam <br />from Dallas Creek, and 2.3 ml north of Pidgray. <br />DRAINAGE AREA.--799 m1'. <br />PERIOD OF RECORD.--0ctober 1958 to currant ye sr. <br />REVISED RECORDS.--YSP 2129, Drainage area. <br />GAGE.--Voter-stage recorder. Datum of gage Sa 6,877.58 tt above National Geodetic Pertlcal Datum of 1929 <br />(lavala by O.S. Bureau of Reclamation). <br />PEMAPR3.--Estimated dally discharges, Dec. tY-iB, and Jan. 8,9. Aacorda good escapt for estimated dally <br />dlechargaa, rhich are fair. DlraraSOns for irrigation upatraam from station. Yatar la imported upatraam <br />from station in some yaara Dy Ped Mountain ditch from Mlnarsl Creek Sn San Juan Alrer baai n. Several <br />obaervetlona of apeeiflc condu4tance end rater tempersturs rare obtained and era puDllahad alaerhare Sn this <br />report. <br />AVERAGE DISCHARGE.--28 yaara, 168 fig/a; 121,700 acre-ft/yr. <br />EXTREMES POA PEPIOD OP RE CO AD.--?razlmum diaeherge, 2,100 ft2/s, June 2tl, 7983, gage halght, 5.73 ft; from rating <br />curve extended above 7,800 ft /si minimum dally, 26 ft"/a, Jan. 13, 1963. <br />E1ITAEMES FOA COPRENT TEAR.--Peak discharges greater than Dasa dlscherga of 1,000 ti'/a, and maximum (a)t <br /> Discharge Cage height Dls charge Gaga hat ghC <br />Date Sims (tt'/s) (tt) Date TSme ( tt~/e) (ft) <br />June 6 2900 •1,390 •4.89 July 9 1100 1,260 4.72 <br />June 15 0100 1,080 4.50 Aug. 13 0100 1,010 4.31 <br />June 28 1800 1,060 4.49 <br />Minimum daily discharge, 92 ft'/a, Jan. 8. <br /> DISCHARGE, IN COBIC PEES PER SECOND, YATER TEAR OCTOBER 1985 TO SEPTEMBEP 1986 <br /> MEAN YALOES <br />DAT OCT NOV DEC JAN PEB MAR APR MAT JON JOL -OC SEP <br />1 120 88 T2 50 50 59 705 292 461 703 210 171 <br />2 ti6 85 T9 51 50 60 107 293 154 676 195 165 <br />3 116 86 T9 52 50 61 103 3B1 560 646 183 163 <br />0 110 B3 72 51 99 fig 99 453 6BT 6B4 798 150 <br />5 110 B3 65 99 96 67 92 419 786 792 193 145 <br />6 108 81 72 51 46 6T 94 348 930 663 275 136 <br />T 122 T5 TO 50 48 70 96 298 1130 582 277 134 <br />8 130 78 To 92 47 fiT 89 231 mza~ 536 195 764 <br />9 124 7T 68 50 96 70 89 207 '~ 894% 785 tB8 344 <br />10 121 7T 61 Y9 94 67 92 202 'i 670 725 174 548 <br /> <br />tt 739 81 51 50 49 65 90 205 509 598 165 337 <br />12 130 83 Y9 50 46 64 9tl 204 572 557 197 280 <br />13 13Y 77 98 51 57 61 90 223 716 521 3B4 247 <br />10 139 T9 9fi 49 57 61 88 228 BTT 495 220 239 <br />15 122 T2 50 Y9 61 61 85 225 900 467 191 225 <br />t6 118 Tt 55 49 59 60 88 299 899 497 167 215 <br />1T 115 7T 55 9B 52 61 89 270 990 435 761 200 <br />tB 172 TB 50 4B 55 57 88 290 BOB 407 158 1B6 <br />19 108 T2 57 YB 55 5T 86 272 819 383 158 774 <br />20 703 is 56 51 59 46 89 348 748 362 156 165 <br />21 703 74 5T 49 49 60 104 9x1 905 326 159 158 <br />22 g8 6T 57 9T 99 6T 140 438 747 322 152 776 <br />23 96 T4 ST 50 96 70 161 450 790 312 156 798 <br />20 94 T7 56 50 50 7T 152 462 706 342 756 212 <br />25 94 TT 55 93 52 T7 152 938 632 316 174 189 <br />26 94 T7 54 44 56 78 153 529 773 303 158 1B6 <br />27 9Y 79 54 96 61 BB 130 560 835 291 745 176 <br />2B g4 71 52 47 60 98 139 564 871 265 195 174 <br />29 91 TT 52 4g --- 703 168 SB4 B28 296 152 tT9 <br />30 B9 75 54 51 --- 705 190 472 820 231 152 161 <br />3t 92 --- 59 54 --- tto --- 418 --- 220 tT6 -- <br />SOTAL 3493 2371 1817 1518 1917 ~ 2188 3349 10891 23090 14682 5704 6187 <br />MEAN 111 77.0 58.6 -9.0 50.6 70.6 tt2 351 770 970 184 206 <br />MAY 139 88 71 54 61 170 199 584 1130 792 3B0 548 <br />MIN 89 67 46 42 Y9 56 85 202 -56 220 795 134 <br />AC-PT 6830 4580 3600 3010 2810 4390 6640 21580 15800 29120 11370 12260 <br />CAL TR 1985 SOTAL 80299 MEAN 220 MAX 1520 MIN 36 AC-PT 159300 <br />YTA TR 1986 TOTAL 76581 MEAN 210 MAX 1130 MIN 42 AC-PT 151900 <br />~,g ,ll <br />