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206 COLORADO RIVER MAW STEM SQ-ZS <br /> 091)9551111 COLORAUO W VER NN; AR CAM N:O, CO <br /> LOCATION.--Eat 39"14'2(1" ,long I OR°1600", in SW ~/aSW ~/n sec30, T.9 S., R.97 W., Mesa Cou n(y, Hydrolo gic Unit 14010006, on left <br /> bank IOO ll north of Illterslate 70, 0.5 nti upstream fro m ]ackson Canyon, 5.9 mi upsV Cam fro m Grand Valley prof ecC diversion dam, <br />- and 7 mi ^orlltcast oC Ca meo. <br /> DRAINAGR ARLA.--13,050 mil, ap proximately. <br /> WA'PER-UISCHARUE RE CORllS <br /> PERIOD OF RIiCORD.--Oc wber 1933 to cmreut year. <br /> REVISED RECORDS.--WR D Cnlo . 1973: 1970_ <br /> GAGE.--Walco-stage recorder with satel{itc telemclry. Datum of gage is 4,R{ 3.73 ft above sea Ievel, (Level s by Cobrado Department <br /> of Highways). Prior w Oct. I0, 1934, nolirecording gage on river and wat er-stage rculyder o n 1lighline Canal, abo ut 10 mi <br /> downstream al different datum. Oct. 10, 1934 to Feb. 27, 1958, water-sta ge recorder at site 3.0 mi down stream at datum 22.55 ft, <br /> lower. <br /> REMARKS.--Records good except I br eslintated daily discharges, which are poor. Natu ral flow oC stream a ffected by uansmnuntain <br /> diversions, storage reservoirs, po wer development, and diversion Cor irrigation of ab out !60,000 acres. <br /> DISCQARGE, (:I1RIC PEE I'pER tiEl 'OND, WAIF.R YEAR (H TIDRER 1995 ~IYI SEP'r EMRER 1997 <br /> DA R.Y MEAN VALIRS <br /> DAY [X'T nOV DEC JAN FEB MAR APR MAY NN NL AUG SEP <br /> 1 2460 241n 2070 2090 1920 2000 3390 6230 20300 14300 5180 3530 <br /> 2 2440 2260 2000 2030 1930 1960 3520 5820 23900 129110 5460 3500 <br /> 3 2490 2290 2030 2370 189(1 1980 34110 5320 25900 1150n 5390 3400 <br /> 4 2600 2420 1870 2270 1900 2030 3930 SOHO 25900 10400 5320 3360 <br /> 5 26311 24511 1920 2130 1820 2010 3570 54111 25900 98911 5530 3410 <br /> 6 2560 2910 17911 19711 187(1 2010 3490 6670 25800 92411 5790 3510 <br /> 7 2530 2370 1960 2000 1870 2130 3340 9570 25400 8730 5970 3610 <br /> 8 2480 2200 1950 1790 1820 2220 3260 111000 25200 8200 5800 3590 <br /> 9 2420 2190 2050 1980 1710 22911 3310 11000 2510(1 7830 5290 3440 <br /> 10 2400 2220 2120 2090 1740 23711 3590 1181111 23900 7460 5180 3310 <br /> 11 2930 2290 2270 2120 1790 24611 3380 12500 27200 7230 5860 3080 <br /> 12 2410 2260 2240 2080 1910 2570 3220 13100 23300 7020 6080 30311 <br /> 13 2440 2200 e2100 2000 2030 2730 3140 13500 23000 6760 6320 301111 <br /> 14 2430 22211 c2 000 18911 2000 2710 3130 13900 22200 6580 6220 2920 <br /> 15 2490 2290 e19511 1910 1990 2580 3130 14400 21500 6360 6000 2910 <br /> 16 2490 290!1 e1900 1940 2050 2640 3170 e15p 00 20400 6110 5520 3030 <br />- 17 2510 2340 1890 1910 LO111 2830 3300 e16000 19300 5930 5100 30911 <br /> 18 2420 22011 1460 1870 2080 3010 3620 e17000 19100 5810 4760 3050 <br /> 19 2400 21911 1700 1980 1990 2990 4110 e1 H1AII1 2111100 56811 4590 3070 <br /> 20 2500 2230 e17511 2120 1990 2970 4550 189n0 21800 5610 4520 3820 <br /> 21 2590 2250 e1900 20831 19110 3130 50110 19200 22500 5550 9520 5520 <br /> 22 2540 255(1 e2050 21611 1860 3160 5450 19900 21900 5320 4750 5110 <br /> 23 2430 2890 c2200 2060 1830 32911 5280 216110 21400 5350 4600 4550 <br /> 24 2970 2600 e21511 2070 1R911 3950 5050 21200 20600 5520 4420 9250 <br /> 25 2580 2459 c210U 2050 2900 3530 4970 20700 19800 5260 4350 4030 <br /> 26 2640 2370 e2000 2050 19611 3360 4750 19400 18700 4940 4430 3870 <br /> 27 2560 2270 e2050 2260 1980 3250 4780 16900 17200 4670 4330 3950 <br /> 28 25911 2160 c2150 2110 2030 3390 5020 14600 16100 4600 4000 4060 <br /> 29 27110 2060 e220U 1920 --- 3370 Sfl70 13400 15500 4830 3840 3880 <br /> 30 26110 211611 2210 1960 ~-- 3440 6580 157110 15000 4R811 3700 3670 <br /> 31 '1470 --- 2110 1870 --- 3330 --- 18000 --- 5060 3590 --- <br /> TOTAL 775911 69460 62140 630811 53710 85190 121750 42 efl 00 698300 219470 156360 108550 <br /> MEAN 2503 2315 2005 2035 1918 2748 4058 13830 21610 7080 5044 3618 <br /> MAX Z70D 2840 2270 2370 20811 3530 6580 21600 25900 14300 6320 5520 <br /> MIN 2400 2060 1460 1790 1710 1960 3130 5080 15000 4600 3590 2910 <br /> nC -FT 153900 137800 123300 125100 106509 1690011 291500 850500 1 286000 435300 3]01[111 215300 <br /> STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1934 - 1997, AY WATER YEAR IWY) <br /> MEAN 2116 1937 169ft 15ft1 1594 1806 3213 9266 12770 5953 2A5fl 2195 <br /> MAX 3732 3253 3002 2621 2775 3365 6615 20290 25830 17430 6571 6271 <br /> (WYI 19fl5 1985 1985 19 HS 1986 1986 1962 1984 1984 1957 1984 1989 <br /> MIN 1084 1038 1004 990 991 1020 1730 2536 2959 1515 1332 1293 <br /> IWY) 1935 1935 1935 1964 1935 1935 1961 1977 1977 1939 1940 1934 <br /> SUMMARY STATISTICS FOR 1995 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1934 - 1997 <br /> ANNUAL T(YfAL 172192n 2094400 <br /> ANNUAL MEAN 4705 6738 3921 <br /> III GUEST ANNUAL MEAN 7605 1984 <br /> I.DWEST ANNUAL MEAN 1937 1977 <br /> HIGHEST DAILY MEAN 21100 May 10 259110 Jun 5 38000 May 26 1984 <br /> UJWEST DAILY MEAN 1469 Dec 18 1460 Dec 18 700 DeC 29 1939 <br /> ANNUAL DEVEN-DAY MINIMUM 1790 Dec 15 1790 Dec 15 852 Dec 24 1939 <br /> INSTANTANEOUS PEA6 FU-1W 26300 sun 5 39300 May 26 1984 <br /> INSTANTANEOUS PEA6 STAGE 11.7 7 Jun 5 14.36 May 26 1984 <br /> ANMIAL RUNOFF (AC-FT) 34150011 4154000 2840000 <br />~~ 10 PERCENT EXCEEDS 12700 17100 9750 <br /> 50 PERCENT EXCEED9 2500 J130 2130 <br /> 90 PERCENT EXCEEDS 20511 1960 1350 <br /> ~,-rsiimn taa. <br />