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<br />0022H <br /> <br />Provisional data; subject to re't'i5ion <br /> <br />DISSOLVED SOLIDS AND WATER TEMPERATURES, APRIL 1985, AT DOWNSTREAM SITES <br />ON SIX LARGE RIVERS <br /> <br /> Stream Dissolved-solids Dis501ved-solids Water temperatureb <br /> discharge concentrationa discharge3 <br /> April during <br /> data of <br />Station Station name following month Mini- Maxi- <br />[\Um~l Mini- M3Xi- Mean Mir\i- Maxi. <br /> caJendar mum mum Me:m, <br /> Mean mum mum in oC mum, mum, <br /> years (mg/L) (mg/L) inoe in oC <br /> (efs) (tons per day) <br />01463500 Delaware River at 1985 6,640 89 107 1,740 1,200 2.330 13.5 8.5 19.5 <br /> Trenton, N.J. 1945-84 22,530 46 124 .... 1,240 21,544 ... 3.0 22.5 <br /> (Morrisvillc, Pa.) (Extreme yr) (1962) (1981) (1966) (1983) <br /> I c22,320 <br />04264331 St. Lawrence River at 1985 299,400 165 166 J34,OOO 128,000 140,000 4.0 2.0 6.0 <br /> Cornwall, Ontario, near 1976,84 281,000 164 168 125,700 107,000 146,000 4.0 0.5 5.5 <br /> Massena, N.Y. (Extreme yr) (1977) (1976) (1982) (1976) <br /> (median streamflow at c265,700 <br /> Ogdcnsburg, N.Y.) <br />07289000 Mississippi River at 1985 1,058,000 150 217 563,000 465,000 655,000 16.5 13.5 22.5 <br /> Vkksburg, Miss. 1976-84 1,041,600 155 250 566,500 180,000 ,030.000 15.0 7.0 20.0 <br /> (Extreme yr) (1977) (1981 ) (1981 ) (19791 <br /> I '930,40 <br />03612500 Ohio River at lock and dam 1985 344,000 139 197 .... 88,700 226,000 .. 10.0 18.0 <br /> 53, near Grand Chain, lU. 1955 -84 450,200 117 282 .... 22,400 462,000 .. 6.5 19.0 <br /> (streamflow station at (Extreme yr) C480,50C l/957) (1969) (1976) l/9751 <br /> Metropolis, Ill.) I <br />06934500 Missouri River at Hermann. 1985 121 .000 298 456 121 ,000 103,000 151,000 15.5 10.5 21.0 <br /> Mo. (60 miles west of 51. 1976,84 135,200 157 504 112,300 41,400 270,000 13.0 6.0 22.5 <br /> Louis, Mo.) (Extreme yr) c88.ne (1979) (1981 ) (1977) (1984) <br /> I <br />14128910 Columbia River at 1985 203,000 111 128 65,100 49,500 93,800 8.9 6.6 10.5 <br /> Warren dale, Oreg. 1976,84 206,500 85 127 58,200 22,300 96,100 9.0 7.0 12.5 <br /> (stream now station (Extreme yr) (1976) (1977) (1977) (1984) <br /> at The DaUes, Oreg.) "I' c220,10C <br /> <br />~Disso]ved-solid5 concenlrations, when not analyzed directly, are calculated on basis of measurements of specific conductance. <br />To convert Oc to OF: [(1.8 X oc) + 321 = OF. <br />cMedian of monthly values for 30-year reference period, water years 1951-80, for comparison with data for current month. <br /> <br />.-. ;r::;. <br />;:-;? ~.~~.~ <br />"~I,1.7"\-""__- <br />o ,...... ./,1)';,1.1 ~:t <br />....... ,.,,,.9!!!'-J '\ <br /> <br /> <br />TOTAL PRECIPITATION, INCHES <br /> <br />APRIL 19S5 <br /> <br />. <br /> <br />....'~.. <br />-u..O ~~ ~ <br />,,{.;. <br /> <br />", <br />. <br />~ilII"lIt1'-tl_' 'I <br />~"'TU_'I_' DIIIOII(I;!,nl"a <br />IIOAAIUSD' ..ol~r 'G.ICU."..~ lI(ll>tl. ',CILlTY ....d..."'....~O.r".o." <br /> <br />(From Weekly Weather Jnd Crop Bulletin published by National Weather Service and Department of Agriculture.) <br /> <br />9 <br />