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<br />.
<br />
<br />.
<br />
<br />.
<br />
<br />'cho Front :~:'lnge tributc-,.ries.
<br />
<br />HavrcViJr, t he flood pealcs vtoro 0',11 ln8..t8rir:.J.ly
<br />
<br />roduced bo.forc they rO::.1..chcd thr,3 South Flattc River c.nd c~luscd onl~l minor
<br />
<br />flooding on the mni.n stcm. Tho floods on tho South ','lJ,tt" Riv:;r occurrod
<br />
<br />bolov.; the mouth of St. Vr[~in Crec~r:" o.s is shown b;;t tho pC:J}': disch3.rr;cG
<br />
<br />presonted in table 14.
<br />
<br />T.l.BLE 14.
<br />
<br />Septembor 1938 flood dischargo".
<br />
<br />. Drain:J.go ------- ..- !,laximur:i peak j
<br />I
<br />, St:J. tion areD. Dnto d' \ I
<br /> 1 S <:;,10.1' ge -r
<br /> squ~ro ;~i leG socond-fe.:rlJ
<br /> .__._......l
<br /> ~"':- Lupton, Colo. 5,108 9-4 -1938 4;220 I
<br /> . v.
<br /> Kersey" Colo. 9.741 9-4 ..lS:38 18; 500 I
<br /> Sub lotto, Colo. 12;269 9-5 -1938 10;700
<br /> Balzac, Colo. 1'1;191 9-8 -1938 15; GOO I
<br /> Ju1esburs, Colo. 2218CJ S-1O-1933 7,980
<br /> I
<br />
<br />46. Flood of ;.pril-lIay 1942.
<br />
<br />l'ho flood of :.pril-lihy 1942 on the
<br />
<br />South Platte Hi vor c.nd tributo.ry str0o.:'~.S y,r:l,0 OD.usod by c::,:ccssi -,re procipi-
<br />
<br />tntion and snovm101t fl'OIn tho upper portions of the basin during the l~\tter
<br />
<br />ht:.lf of f.l,pril a.nd t~hc first part of hl~'Jr. 'll:W precipitation camo princi..
<br />
<br />rally from gcncrol storms 1',11;' ch oocurr-od over thv uf'per Scuth Platte River
<br />
<br />basin on !,pri.1 17 to 201 1.pril 22 to 25~ Lpri1 30. c.nd :r.;,,;. 2 ilnd 3. Falling
<br />
<br />tomperaturos on Lpril 23, v{hich tlu'rled. the ruin to snovi, probably prevented
<br />
<br />a much more serious flood. Flour flood crosts occurred ::~t Dcrrv(Jr. i~ p€Jnl:
<br />
<br />discho.rge of 10.200 second-fec t vms recorded on ~.rri1 25, e\!IU ,',lCcK flows ;,n
<br />
<br />excess of 8,500 so cand-foot "'!Tere rocorded on ...'.I.pri 1 19, 23, and 30. Tho
<br />
<br />minim~ flav! c.t Denver during the 9oriod from .~:?ril 19 thro'J.~h "2_'1:'.'.' 13 vY:,.'.3
<br />
<br /><?pI)roxilnG.tely 4,500 second-feet. The tot3.1 runoff a.t tho D~)n"l:.:r str,;c.i'!1.
<br />
<br />gllge froT.< ""prE 19 through !fuy 22 nr." a=,pro:cim:.t31y 333,000 acre-foet.
<br />
<br />Tho maximum l),y'.k discho.rgcs ~nd volum0s recop-d.ad o.rc' present'od In, tnble 15.
<br />,
<br />
<br />II-26
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