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<br /> <br />GREEN RIVER BASIN <br />09251000 YAMPA RIVER NEAR MAYBELL, COLO. <br />LOCATION.~"Lat 40030'10", long 108001'45", in NW~ sec.2, T.6 N., R.95 W., !-loffat County, on left bank 100 ft <br />(30 m) downstream from bridge on U.S. .Highway 40, 2.0 mi (3.2 km) downstream from Lay Creek, and 3.0 mi <br />(4.8 km) east of Maybell. <br />DRAINAGE AREA.-"3,410 mi~ (8,830 kml), approximately. <br />PERIOD OF RECORD.--Apri1 1904 to October 1905, June 1910 to November 1912, Aprl1 1916 to current year. Monthly <br />discharge only for some periods, published in WSP 1313. No wlnter records prior to 1917. <br /> <br />GAGE.--Water-stage recorder. Datum of gage is 5,900.23 ft (1,798.390 m) above mean sea level. See WSP 1733 for <br />history of changes prlor to Mar. 9, 1937. <br /> <br />215 <br /> <br />AVERAGE DISCHARGE.--59 ye~rs (1916-75), 1,559 ft3/s (44.15 m3/s), 1.129.~OO acre~ft/yr (1,390 hm3/yr). <br />EXTREMBS.--Current year: Maximum discharge. 11,700 ft3/s (331 m3/s) June 9 (gage height. 8.92 ft or Z.719 m); <br />minllhum daily. 1Z0 ft)/s (3.40 m3/s) Dec. Z-9.. ~ <br />Period of record: Maximum disc~arge observed. 17,900 ftJ/s (507 m3/s) May 19, 1911 (gage height! 10.4 ft <br />or 3.17 m, from floodaarks, site and datum then in use), from rating curve extended above 12,000 ft Is' <br />(340 m3/s); minimulI daily, 2.0 fe3/s (0.051'm3/s), JUly 17~19, 1934._, . <br />REMARXS.~~Records good except those for winter period and period of no gage-height record. which are poor. Natural <br />flow of stream affected by transbasin diversions. numerous storage reservoirs} and diversions above station for <br />irrigation of about 65,000 acres (Z63 kmz) above ,and about 800 acres (3.24 km ) below station. Water-quality <br />records for the current year are published in Part 2 of this'report. <br /> <br />DAV <br /> <br />1 <br />2 <br />3 <br />._-~-~ . <br /> <br />. <br />7 <br />. <br />. <br />10 <br /> <br />II <br />12 <br />13 <br />14 <br />15 <br /> <br />1. <br />17 <br />" <br />19 <br />20 <br /> <br />21 <br />22 <br />23 <br />.. <br />25 <br />2. <br />27 <br />2' <br />29 <br />30 <br />31 <br /> <br />TOTAL <br />MEAN <br />"" <br />"IN <br />AC..FT <br /> <br />ocr <br />132 l\ <br />132 <br />13. <br />140 <br />13. <br /> <br />143 <br />191 <br />212 <br />205 <br />202 <br /> <br />". <br />20. <br />20. <br />212 <br />230 <br /> <br />23. <br />23. <br />230 <br />7.26 <br />226 <br />222 <br />22. <br />22. <br />... <br />230 <br />230 <br />230 <br />233 <br />233 <br />2.4 <br />252 <br /> <br />(,405 <br />l07 <br />i'5? <br />132 <br />12700 <br /> <br />I <br /> <br />UISCHARGE. I~ CUBIC FEET <br />/ / / <br />NOY DEC JAN <br /> <br />PfR SECONO, WATER <br />MEAN VALIJES <br />, // <br />FEe MAR <br /> <br />... <br />335 <br />355 <br />350 <br />355 <br /> <br />3.0 <br />312 <br />212 <br />252 <br />2.0 <br />2" <br />302 <br />2'. <br />272 <br />2.. <br /> <br />8402 <br />2.0 <br />355 <br />200 <br />11'll',70 <br /> <br />298 <br />27. <br />260 <br />2.. <br />2.0 <br /> <br />260 <br />250 <br />25' <br />260 <br />2.0 <br /> <br />2.0 <br />260 <br />250 <br />250 <br />200 <br /> <br />'.0 <br />140 <br />'.0 <br />140 <br />'.0 <br />'.0 <br />4280 <br />13. <br />17' <br />120 <br />8490 <br /> <br />140 <br />12' <br />120 <br />120 <br />120 <br />120 <br />120 <br />120 <br />120 <br />130 <br /> <br />140 <br />,.0 <br />150 <br />170 <br />200 <br /> <br />"0 <br />270 <br />2.0 <br />250 <br />250 <br /> <br />240 <br />250 <br />270 <br />2'0 <br />2'0 <br />30' <br />310 <br />320 <br />340 <br />350 <br />350 <br />350 <br />350 <br />350 <br />3.0 <br /> <br />8350 <br />29' <br />350 <br />240 <br />16560 <br /> <br />330 <br />320 <br />300 <br />290 <br />2'0 <br />270 <br />2'0 <br />2'0 <br /> <br />14212 <br />.5' <br />.20 <br />310 <br />28190 <br /> <br />YEAR OCT08ER 1974 To <br /> <br />310 <br />330 <br />350 <br />3.. <br />.0' <br />.10 <br />.30 <br />.30 <br />.3' <br />45. <br /> <br />.50 <br />.5. <br />.60 <br />.70 <br />.70 <br /> <br />"0 <br />.2. <br />'17 <br />"2 <br />1140 <br /> <br />130 <br />130 <br />130 <br />'.0 <br />'.0 <br /> <br />220 <br />230 <br />230 <br />230 <br />210 <br />200 <br />2.0 <br />210 <br />"0 <br />230 <br />250 <br />2.0 <br />250 <br />230 <br />220 <br />200 <br />210 <br />220 <br />250 <br />2.0 <br />250 <br />240 <br />230 <br />240 <br />260 <br />2'0 <br />61\30 <br />220 <br />280 <br />140 <br />13550 <br /> <br />4.0 <br />... <br />51. <br />550 <br />5.0 <br /> <br />1330 <br />1910 <br />2300 <br />1440 <br />1050 <br /> <br />1100 <br />1500 <br />2240 <br />2940 <br />3260 <br /> <br />150 <br />1.0 <br />'.0 <br />110 <br />170 <br /> <br />160 <br />150 <br />'.0 <br />'.0 <br />'.0 <br /> <br />5.. <br />.20 <br />570 <br />... <br />.'0 <br /> <br />.20 <br />380 <br />.00 <br />430 <br />.50 <br />500 <br /> <br />3780 <br />4"'00 <br />3140 <br />3300 <br />2700 <br /> <br />46994 <br />1566 <br />4400 <br />3" <br />93210 <br /> <br />CAL YR 1974 TOTAL 704820 MEAN 1931 MAX 14900 MIN S5 AC-FT <br />~TR YR 1975 TOTAL 608~13 MEAN 1667 MAX 11300 MIN 120 AC-FT <br /> <br />DATE <br />5.22 <br />6- 9 <br /> <br />TIME <br />1500 <br />2100 <br /> <br />PEAK <br />G.H. <br />8.45 <br />8.92 <br /> <br />DISCHARGE (BASE, <br />DISCHARGE" DATE <br />10,500 6-17 <br />11,700 <br /> <br />1,000 FT3/S) <br />TIME G.H. <br />1600 8.01 <br /> <br />DISCHARGE <br />9,610 <br /> <br />v <br />APR MA Y <br /> <br />4.0 <br />..0 <br />390 <br />410 <br />.30 <br /> <br />2400 <br />2100 <br />2200 <br />2600 <br />3010 <br />3250 <br />3300 <br />21'00 <br />2400 <br />2600 <br />ZAOO <br />3490 <br />4'-50 <br />4110 <br />5190 <br />6410 <br />1250 <br />R'500 <br />91.60 <br />91'120 <br /> <br />532(1 <br />5920 <br />6880 <br />8380 <br />9150 <br />922(1 <br />9680 <br />10700 <br />11300 <br />1090l'l <br />82....0 <br />6250 <br />6000 <br />641050 <br />A010 <br /> <br />8600 <br />9200 <br />8000 <br />6690 <br />6590 <br />6020 <br />5900 <br />547(1 <br />552ft <br />5710 <br />6090 <br />5370 <br />537(1 <br />5520 <br />5600 <br /> <br />2HHIO <br />727n <br />11300 <br />532/\ <br />11.32600 <br /> <br />sEPTEM8ER 1915 <br />/ / <br />JUN JUL <br /> <br />5&90 <br />5640 <br />5730 <br />5500 <br />5790 <br />561100 <br />6670 <br />5140 <br />5030 <br />5230 <br />4690 <br />4U60 <br />5160 <br />3020 <br />2940 <br />2911.0 <br />29M <br />3070 <br />2750 <br />2600 <br /> <br />2300 <br />2000 <br />1800 <br />1600 <br />1310 <br />1150 <br />1010 <br />... <br />.22 <br />... <br />... <br /> <br />105040 <br />33A8 <br />6670 <br />... <br />208300 <br /> <br />AUG <br />'0_ <br />908 <br />.3. <br />76' <br />... <br />.35 <br />5.2 <br />53. <br />... <br />.7. <br /> <br />4.' <br />.74 <br />460 <br />... <br />558 <br />61. <br />600 <br />51. <br />47. <br />.42 <br />.25 <br />.00 <br />415 <br />.10 <br />385 <br />3.0 <br />3.1 <br />307 <br />2.. <br />27. <br />2.0 <br /> <br />15792 <br />5.' <br />... <br />240 <br />31320 <br /> <br />/ <br /> <br />5388 <br />18. <br />233 <br />12' <br />10(,90 <br /> <br />NOTE.--No gage-height record Dec. 2S to Mar. 13. <br /> <br />5.6 <br />715 <br />'22 <br />754 <br />670 <br /> <br />9940 <br />10300 <br />9460 <br />7090 <br />6170 <br /> <br />6610 <br />bl70 <br />6470 <br />6730 <br />6310 <br />5tbO <br />168~lo <br />5439 <br />10300 <br />2100 <br />334400 <br /> <br />1~98000 <br />1201000 <br /> <br />/ <br /> <br />5EP' <br /> <br />222 <br />212 <br />1" <br />191 <br />1.7 <br />,.. <br />13. <br />13. <br />I.' <br />132 <br />128 <br />135 <br />,.. <br />198 <br />212 <br />226 <br />233 <br />219 <br />205 <br />188 <br /> <br />177 <br />167 <br />174.. <br />\98 <br />19. <br />1'. <br />18. <br />177 <br />1.. <br />161 <br />