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ROARING FORK RIVER BASIN
<br /> 09091600 CRYSTAL RIVER ABOVE AVALANCHE CREEK, NEAR REDSTONE, COLO.
<br /> LOCATION.--Lat 39'13'56', long 107.13'W. in SE�SW4 sec.33, T.9 S., R.68 W., Pitkin County, on right bank
<br /> 1.2 miles upstream from Avalanche Creek and 3.6 miles north of Redstone.
<br /> DRAINAGE AREA.--167 sq mi.
<br /> PERIOD OF RECORD.--October 1955 to current year.
<br /> GAGE.--water-stage recorder. Altitude of gage is 6,905 ft (from river-profile map).
<br /> AVERAGE DISCHARGE.--17 years, 288 cfs (208,700 acre-ft per year).
<br /> EXTREMES.--Current year: Maximum discharge, 2,080 cfs June 7 (gage height, 4.81 ft); minimum daily, 41 cfs
<br /> Feb. 11, 12.
<br /> Period of record: Maximum discharge, 3,980 cfs July 1, 1957 (gage height, 5.65 ft): minimum daily,
<br /> 22 cfs Dec. 5, 1955, Feb. 15, 1964.
<br /> REDLIRKS.--Records good except those for period of no gage-height record, which are fair. A few small diversions
<br /> for irrigation above station.
<br /> DISCHARGE, IN CUBIC FEET PER SECOkn, WATER YEAR OCTOBER 1971 TO SEPTEMBER 197Z
<br /> DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
<br /> 1 99 82 5C 48 45 52 99 247 1,550 550 145 80
<br /> 2 88 78 64 55 45 45 99 266 1,63C 4:8 135 9T
<br /> 3 32 72 62 57 45 50 97 306 1,660 430 130 97
<br /> 4 84 74 61 46 43 47 101 370 11510 395 125 82
<br /> 5 94 74 42 49 45 50 97 415 1,450 390 122 76
<br /> 6 80 64 61 48 45 59 122 400 1,6I0 380 115 108
<br /> 7 80 68 66 48 47 68 132 365 1.Ti0 355 IC8 161
<br /> 8 78 72 61 50 44 70 164 335 11750 345 101 130
<br /> 9 78 68 47 5v 44 80 210 345 1,620 326 95 115
<br /> 10 76 68 57 50 42 99 233 365 1,460 286 93 130
<br /> 11 78 66 59 54 41 113 207 340 1,460 294 90 145
<br /> I2 76 66 55 58 41 122 286 298 1,410 290 86 145
<br /> 13 74 74 61 51) 42 137 219 274 1,280 282 86 lie
<br /> 14 72 68 64 47 48 142 195 258 1.120 274 86 106
<br /> • 15 72 70 62 47 44 120 i75 306 1.02C 266 36 95
<br /> 16 7C 70 55 47 44 113 166 460 11C30 250 84 86
<br /> 11 86 7C 42 48 44 125 178 586 1,070 230 82 80
<br /> 18 86 66 48 50 47 145 178 646 1,030 207 86 73
<br /> 19 82 52 59 56 50 L58 169 740 985 204 97 241
<br /> 20 80 57 511 60 S2 140 166 817 831 198 90 294
<br /> 21 86 68 50 60 55 130 164 915 768 186 82 198
<br /> 22 82 72 53 60 55 140 166 873 175 178 80 164
<br /> 23r 8C 64- 68 60 53. 161 159. 789 352 LIZ 74 L55
<br /> 24 80 61 68 60 52 145 240 824 859 164 72 145
<br /> 25 80 62 95 60 43 137 302 978 7a2 175 70 L32
<br /> 26 82 62 97 60 45 142 282 11100 712- 155 68 120
<br /> 27 88 64 64 56 48 135 240 1.140 634 153 68 108
<br /> 28 88 61 52 52 48 12T 216 1,060 610 148 68 101
<br /> 29 88 64 76 52 53 11C 223 1,230 622 140 72 97
<br /> 30 76 59 7) 52 ------ 106 243 1.350 622 132 70 93
<br /> 31 76 45 47 ------ 101 ------ 1,470 ------ 130 70 ------
<br /> TOTAL 2,511 2.C16 1,964 1,637 1.355 3,369 5.558 19068 34,422 8,133 2,838 3,777
<br /> MEAN 81.0 67.2 60.1 52.E 46.7 109 t95 641 1.147 262 91.5 126
<br /> MAX 99 82 97 60 55 161 302 1,470 1.750 550 145 294
<br /> wiry 71 52 42 46 41 45 97 247 610 130 68 76
<br /> 4C-FT 4,980 4,CC0 3,701 31250 2,690 6,680 11.020 33,410 68,280 160130 5,630 7,490
<br /> CAL YR 1971 TOTAL 91,299 MEAN 267 MAX 1,759 r1N 42 AC-FT L93,000
<br /> ..T2 YR 1972 TOTAL 87.34E MEAN 239 AAA 1,750 MIN 41 AC-FT 173,300
<br /> ?EAK DISCHARGE (BASE, 2,000 CFS).--June 7 (0030) 2,080 cfs (4.81 ft).
<br /> NOTE.--No gage-height record Jan. 4 to Feb. 6.
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