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<br /> <br /> <br /> <br />I. <br />~. <br />~, .~ <br />L :~ <br />ADAMS COII~•TY, COLORADO <br />s drsiucrl ht- the Srmth Platte P.it-rr and <br />cs. \Cost of the cmmty is char;artrrizrd by <br />ling topogt-aphy, and the majm• sttrams gcn- <br />in rclatn•ely n•ulc vallc}•s. In the n-estcrn part <br />unty, the larger stream valleys are from 250 <br />feet below the general ]evcl of the nearby up- <br />and the side slopes :ire moderatcl}• steep. Throu_h <br />of the remaining part of.the county, the local relief <br />am exceeds `?00 feet. and in many places the side <br />prs am so. gradual that the limits of the volleys arc <br />trfel\' t10LICCab1C• Set•er•nl relatively large areas of <br />iLilizcd rhmc topography arc in thr county, mainly in <br />broad arra north of Sand Creel: and along the vallrys <br />itrrbc Drare, and the Box )rldeq Iiion•a, and Bijou <br />rrks. <br />Thr farms in :\dams Count}• arc slotcly bcin, consoli- <br />'~•d info lar_cr, mm•c rfficimtt units. utilizing the latest. <br />lumlogy- available. 1lnc~rc underground water re- <br />~.rcrs support it. sprinlcler irrigation on the sandy soils <br />increasing rapidly. The ranching operations mmnin <br />mt the same, but farming is diminishin_ rapidly in <br />n-rstcrn part of the cnnnty becnnsc of the industrml <br />rommnnit}- tlcrrlopment. <br />'roductiou of corn. alfalfa. noel small ,rains is ex- <br />`cd to remain fairlc stable. The sugar Bret indnsh•}• <br />Imclc rlcrrcasing. Trnrlr crop farmin_ is drerrasing <br />hrrnmin_ err}• spccializal. ('attlr frrdlnts and hug <br />in_ ;ur rlerrrasin, and ncrnhmll}- «•ill br rliminatrrl <br />'l11`. \eC5}M97 part. of tltc cnnnty brc:utsr, nE zmtiug <br />uanres. Ornnmrntal specialtc crops. greenhouses, <br />t++rf farms arc incrcasiq_ rapidly and arc rxprctrd <br />nuc to do so fur some time to come. Pmtltr•v <br />,_ is dominated by lar,r commercial rnkerprists and <br />r will contintu• to iucrcasr. <br />~Ple <br />69 ~' ' <br />The supply of tenter for farming, rspecially in the <br />tecstcrn fmu•th of the county, is being competed for by <br />the metropolitan and suburban alroas,.and a shortage of <br />n•atcr is liL-ely to become acute iu the coming years. <br />CZLITCQ{'8 ° <br />The climate of Adams County is that of the semiarid <br />high plains. It is modifiod by Ute Rochy lfountains to <br />the west and the higher country of the Blac{: Forrst <br />area to the south. The effects of the mountains vary <br />considerably with increasing distance from the tccstcrn <br />end of the county toward the east. The county, 72 miles <br />long attd 18 miles wide, ranges in elevation from 5,550 <br />feet at the southwest corner to 4,500 feet at the north- <br />east corner, and is within a plains climate that changes <br />rapidly to a foothills climate )ust west of the county. <br />llfany features of the climate at Acncer, which is <br />representative of the extreme westcr•It and southwestern <br />part of Adants County, can be applied kith some modi- <br />fication to the entire county. Variations in climate from <br />the western border eastward include increased acerage <br />wiltllspeed because of the teduccd effectiveness of ntorm- <br />tain shielding, slightly lower average anneal precipita- <br />tion, lower amounts of precipitation and snowfall in <br />reinter and early in spring, incrrasrd nmonnts and vari- <br />ability of srtmmcr precipitation, greatrr average t-aria- <br />tion in daily and annual temperatures, :uxl soutro•hat <br />lotem• cloudiness aul higher pm•ccutagc of sunshine on <br />mt anluLal average. Table 0 gives climatic data cmnpi]ed <br />from records kept mainly at Bycts, _\tnpahoe County, <br />'B>- Soseru tr. IInnnr, climatologist Cor Colorado, vanonal <br />1Centher Scrrice, U.S. Department oC Comutecce. <br />T.tnLC 9.-Temperattve oval preeipifalion data <br />?ata for tempcratnrc and prccipitntion from Byers, Arapahoe County. Data on snow cover !coin Stapleton Airfield at Denver! <br />3lontlt <br />1 <br />,cr-------°--_- <br />w`r _____________ <br />or-------------- <br />.r-------------- <br />Temperature <br />i <br />2 years in 10 will have at <br />least 4 days with- <br />Average Avcragc <br />daily daily Avcragc <br />maximum minimum \4azimum Minimum total <br />temperature tempcratrrrc <br />equal to or equal to or <br />higher than Imver than-I <br />I <br />Precipitation <br />2 years in 10 will <br />have- <br />Less Morc <br />Lhan- than- <br />Average Average <br />number depth <br />n! days o! snow <br />with snow on days <br />cover with snow <br /> cover <br />• F. • F. • F. ' F. InNa InNU lnNU fnelei <br />2 <br />43 14 61 -G 0.43 0.1 0.8 8 <br />4G IS 64 -2 .47 .2 .7 9 3 <br />.i2 23 70 4 .87 .4 3.6 7 3 <br />fit 33 70 10 1. 8fi .7 2.8 :i 4 <br />71 4^_ 9G 32 2.54 .7 3.7 L 3 <br />84 .51 06 40 1. 58 . T ^-. 6 0 0 <br />OI 5i 00 50 2. OL L0 3.2 0 0 <br />87 SG 08 40 1.40 .7 21 0 0 <br />80 47 04 35 1. ]4 2 1. 7 (') 4 <br />66 3G 83 25 . 73 . 1 1. S 1 2 <br />.i4 23 71 i . 54 ^_ . D •5 3 <br />4G 1S G4 '_ .40 .1 .6I 7 3 <br />66 35 ° 101 <br />I ° -I4 I 14. OS 0. 2 L8. 3 I 41 3 <br />.y than nuc-half day. <br />eragc annual highest temperature. <br />~cragc lowest annual temperature. <br />i <br />iq~ <br />D' , <br />i <br />, <br />! i <br />I .j. <br />;ii <br />