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37 <br />ARKANSAS RIVER BASIN <br />COTTONWOOD CREEK AT BUENA VISTA, CO (1981) <br />LOCATION. - -Lat 38 °50104 ", long 106 °07'20 ", in NW1aNW114NW114, sec. 16, T.14 S., R. 78 W., in Chaffee County, on left <br />bank, about 1500 ft. upstream from Arkansas River, and 1200 ft. upstream from bridge at Buena Vista High <br />School. <br />DRAINAGE AREA. - -N /A <br />GAGE. -- Water -stage recorder. 2 ft. Parshall Flume in concrete dam. Datum of gage 7930 ft. from topographic <br />map. <br />RATING TABLE.-- COCRBVC002 USED FROM 01 -OCT -1980 TO 30 -SEP -1981 <br />DISCHARGE, IN CFS, WATER YEAR OCTOBER 1980 TO SEPTEMBER 1981 <br />MEAN VALUES <br />DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP <br />1 <br />7.0 <br />27 <br />34 <br />28 <br />18 <br />18 <br />12 <br />0.77 <br />12 <br />0.72 <br />0.44 <br />0.49 <br />2 <br />7.3 <br />22 <br />34 <br />28 <br />17 <br />19 <br />12 <br />0.71 <br />12 <br />5.7 <br />0.44 <br />0.49 <br />3 <br />7.5 <br />20 <br />34 <br />28 <br />18 <br />19 <br />12 <br />0.66 <br />11 <br />1.1 <br />0.44 <br />2.0 <br />4 <br />7.4 <br />21 <br />35 <br />28 <br />18 <br />17 <br />12 <br />0.61 <br />10 <br />0.44 <br />0.40 <br />1.4 <br />5 <br />7.0 <br />21 <br />34 <br />28 <br />19 <br />15 <br />11 <br />0.56 <br />6.6 <br />1.7 <br />0.40 <br />1.1 <br />6 <br />6.9 <br />21 <br />34 <br />28 <br />18 <br />17 <br />11 <br />0.56 <br />13 <br />1.9 <br />1.0 <br />1.7 <br />7 <br />6.8 <br />21 <br />35 <br />26 <br />18 <br />18 <br />9.9 <br />0.57 <br />15 <br />1.2 <br />2.7 <br />5.6 <br />8 <br />6.8 <br />21 <br />33 <br />26 <br />19 <br />17 <br />9.7 <br />0.57 <br />16 <br />1.4 <br />1.5 <br />4.0 <br />9 <br />6.9 <br />22 <br />33 <br />25 <br />19 <br />17 <br />9.7 <br />0.89 <br />13 <br />1.6 <br />1.2 <br />6.0 <br />10 <br />6.6 <br />23 <br />32 <br />26 <br />19 <br />17 <br />9.7 <br />1.7 <br />7.2 <br />2.1 <br />4.0 <br />5.6 <br />11 <br />6.5 <br />23 <br />33 <br />24 <br />18 <br />17 <br />9.4 <br />1.1 <br />3.4 <br />0.49 <br />9.8 <br />6.5 <br />12 <br />6.0 <br />24 <br />34 <br />23 <br />19 <br />16 <br />9.4 <br />0.62 <br />0.72 <br />0.89 <br />3.0 <br />8.1 <br />13 <br />6.2 <br />25 <br />32 <br />23 <br />19 <br />16 <br />6.7 <br />0.62 <br />0.57 <br />2.0 <br />0.62 <br />7.9 <br />14 <br />6.2 <br />25 <br />32 <br />23 <br />20 <br />16 <br />2.3 <br />0.62 <br />0.53 <br />2.2 <br />1.5 <br />6.3 <br />15 <br />8.5 <br />22 <br />32 <br />23 <br />19 <br />14 <br />1.5 <br />0.62 <br />0.62 <br />1.9 <br />1.1 <br />4.9 <br />16 <br />8.5 <br />22 <br />31 <br />24 <br />20 <br />15 <br />1.5 <br />0.62 <br />0.57 <br />1.0 <br />4.4 <br />3.5 <br />17 <br />9.7 <br />22 <br />30 <br />22 <br />20 <br />16 <br />1.5 <br />0.62 <br />0.62 <br />2.5 <br />3.7 <br />3.2 <br />18 <br />13 <br />28 <br />30 <br />22 <br />19 <br />16 <br />1.4 <br />0.62 <br />0.72 <br />4.3 <br />1.1 <br />6.0 <br />19 <br />14 <br />31 <br />31 <br />22 <br />18 <br />14 <br />1.4 <br />0.62 <br />0.53 <br />2.6 <br />0.62 <br />5.1 <br />20 <br />16 <br />30 <br />29 <br />22 <br />18 <br />16 <br />0.89 <br />0.57 <br />0.53 <br />0.49 <br />2.6 <br />1.6 <br />21 <br />15 <br />34 <br />29 <br />22 <br />18 <br />15 <br />0.78 <br />0.53 <br />0.53 <br />0.62 <br />1.4 <br />1.2 <br />22 <br />15 <br />35 <br />30 <br />22 <br />16 <br />15 <br />0.78 <br />0.53 <br />0.57 <br />1.4 <br />0.78 <br />0.44 <br />23 <br />15 <br />35 <br />29 <br />22 <br />17 <br />16 <br />0.72 <br />0.53 <br />0.57 <br />1.6 <br />0.57 <br />1.1 <br />24 <br />13 <br />38 <br />29 <br />22 <br />17 <br />16 <br />0.72 <br />0.53 <br />0.57 <br />0.57 <br />1.9 <br />0.53 <br />25 <br />13 <br />32 <br />29 <br />21 <br />18 <br />15 <br />0.72 <br />0.62 <br />0.57 <br />1.6 <br />4.7 <br />0.78 <br />26 <br />16 <br />33 <br />29 <br />21 <br />18 <br />15 <br />0.78 <br />1.8 <br />0.66 <br />5.7 <br />0.83 <br />0.62 <br />27 <br />16 <br />34 <br />28 <br />21 <br />17 <br />14 <br />1.0 <br />1.6 <br />0.89 <br />11 <br />0.49 <br />1.0 <br />28 <br />21 <br />35 <br />28 <br />21 <br />17 <br />12 <br />0.89 <br />9.7 <br />2.9 <br />1.8 <br />0.40 <br />1.7 <br />29 <br />29 <br />35 <br />28 <br />21 <br />- -- <br />12 <br />0.88 <br />9.8 <br />3.2 <br />0.49 <br />0.40 <br />0.49 <br />30 <br />29 <br />35 <br />28 <br />21 <br />- -- <br />12 <br />0.82 <br />7.4 <br />1.1 <br />0.49 <br />0.40 <br />0.78 <br />31 <br />28 <br />- -- <br />28 <br />20 <br />- -- <br />12 <br />- -- <br />14 <br />- -- <br />0.44 <br />0.44 <br />- -- <br />TOTAL <br />374.8 <br />817 <br />967 <br />733 <br />511 <br />484 <br />153.07 <br />61.26 <br />136.19 <br />61.94 <br />53.30 <br />90.11 <br />MEAN <br />12.1 <br />27.2 <br />31.2 <br />23.6 <br />18.3 <br />15.6 <br />5.10 <br />1.98 <br />4.54 <br />2.00 <br />1.72 <br />3.00 <br />AC -FT <br />743 <br />1620 <br />1920 <br />1450 <br />1010 <br />960 <br />304 <br />122 <br />270 <br />123 <br />106 <br />179 <br />MAX <br />29 <br />38 <br />35 <br />28 <br />20 <br />19 <br />12 <br />14 <br />16 <br />11 <br />9.8 <br />8.1 <br />MIN <br />6.0 <br />20 <br />28 <br />20 <br />16 <br />12 <br />0.72 <br />0.53 <br />0.53 <br />0.44 <br />0.40 <br />0.44 <br />CAL YR <br />1980 TOTAL <br />20528.1 <br />MEAN <br />56.1 <br />MAX <br />528 <br />MIN <br />3.4 AC <br />-FT <br />40720 <br />WTR YR <br />1981 TOTAL <br />4442.66 <br />MEAN <br />12.2 <br />MAX <br />38 <br />MIN <br />0.40 AC <br />-FT <br />8810 <br />MAX DISCH 40 CPS <br />AT 0950 <br />24 -NOV -1980 <br />GH <br />1.79 FT. <br />SHIFT <br />+0.04 <br />FT. MAX <br />GH 2.29(ICE) <br />FT. AT <br />1450 02 <br />-FEB -1981 <br />40 <br />35 <br />30 <br />25 <br />20 <br />15 <br />10 <br />5 <br />0 <br />Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep <br />