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Image 5 of Kentucky farm and home science, vol. 3 No. 3 summer 1957

Part of Kentucky Agricultural Experiment Station

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INCHES during August. Similar readings may be made for ‘ _` 7 each of the 24 areas studied. if 6 Q, To illustrate another use of the diagram, notice that " Franklin-Russellville (station 5) has a wider range 1,____. 5 -···· ·‘ about the median line, as shown by its corresponding ` _ 4 .··'·-···"' n Q1 and Q3 values, as compared with Lexington (sta- le tion 6). This indicates that August rainfall in the L. 3 _,.__/ F ranklin-Russellville area lluctuates more widely than ( 2 {_` /;·\/·\ /,.____¢""°"'·-W Q1 at Lexington. In other words, dry years and wet ‘ .»" ' ` years came less frequently at Lexington. _ 1 ~» _' O Roinfoll During Growing Seoson “»·`# I2 2 4 5 6 7 a 9 |O|1 I2 1314I5 I6 |7|819202122232*1 smnom Numara Rainfall tendencies during August do not neces- ` or Fig. 2.- Minimum and maximum amounts of rainfall re- Sully iedieete what happens during other menths ef _ __ ceived 25, 50 and 75 percent of the time at various loca- the growing season. In Table 1, the state is arbitrarily `L tions in Kentucky during the month of August. divided into four rather large areas. Average Q], fl'; :1oTslxgvlgEnungatlitl-:il1iEioitg`ri;»iclli;ill?Etianitgilltivglatlii 3?Ml;g£l:::é median and values have been determinedifrom .—T_, Siege“g5l&,,i;E3:;iinS,l;§)}iei,li;,`ll;,:;·§ev,;i1ii,;ii.i¥I$, Dgiligekieggiei diagrams similar to that of Fig. 1, but for different clnnatl; 14Lr·rmeettm; 1%L0uisa-Catlettsburgg 16-Letfonnetu-st. menths ef the growing $onSon· It should be noted **** 13332 1ftL”r€1aE.X2Hl‘§"2$$35232‘J.'3{°2ii‘il¥11’.2;ll&¥s“é¥Et§`C}Il1Z{3`ZI that the Qi. median end Q3 figures in the table are , - Size;-nsburg-Eubank; 23—Williamsburg-Mlddlesboro; 24—Berea-Beatty- rough averages of a few somewhat typical values in i the area. Their interpretation is the same as the iw median amount of rainfall received during August Valuosln Fig 1· _ 4 » fiillged from 2.64 inches at Cairo, Ill., to 4,.30 inches Dnnng MnY» lnno» IUIY and AngU$t 2W€1`€1g0 1‘€l1l1- ‘ in the Beiee__Beettvville Mee fall, as shown by the median, was greatestlm the ·*+r Lines Q1 and Q3 represent the minimum amounts southeastern part of the state. During April, Sep- _v of rainfall received 75 and 25 percent of the time, tember and October average rainfall was greatest 111 ii iespeetivelv In other words, of the total years of western Kentucky. .However, average rainfall 1n west- 7 ieeoids at eaeli location, 25 percent were below the ern Kentucky declined from April through ·October. .- values Shown by line Q1; 50 percent were below (or ln Southeastern Kentucky average rainfall increased above) the values Shown bv the median line and 25 from April through ]une and then declined. Although percent were larger than the values shown by the Q3 Wosfom Koofooky fecewed foloolloly Iofgof amounts _ _ i '_ lime For example, at Lexington (station 6) rainfall of rainfall during the early part of the growing season was less than 203 inches 25 percent of the time it soon lost itsiadvantage as the season progressed. 1 " " Fifty percent of the time the amount of rainfall was Tho lower hmlt (Q1)> _bo1oW Whloh mmfoo goos P between 203 and 450 ioehee Twentv_iive percent oi only 25 percent of the time, was highest in south- if tl`l€ L€Xl11gtO11 I`€C€1V€C1 11'1Cl.'1€S OI` I1'1OI`€ (COm·;m,g,10,t Pugg 8) ¢¢· ,*1. Table 1.- Approximate median and quartile amounts of rainfall for selected groups of weather stations in or near Kentuckv‘*’ Meutan i > 7 Month West North Central Southeast Q. Q1 Qt Q;t_Y‘"_ig!;;;; L; _ N April 3.99 3.18 3.82 3.80 2.75 5.24 2.30 4.21 2.54 4.96 2.77 4.53 May 3.87 3.48 3.73 4.08 2.44 5.62 2.25 4.68 2.58 4.97 3.00 5.41 · » jtme 3.53 3.82 3.90 4.28 2.15 4.95 2.68 4.99 2.85 5.08 3.23 5.47 r ]uly 3.22 3.48 3.88 4.47 2.30 4.61 2.40 4.76 2.66 5.33 3.23 5.74 V T August 3.03 3.36 3.24 4.10 1.77 4.60 2.15 4.62 2.14 4.69 2.78 5.29 ‘:' · September 2.87 2.65 2.66 2.56 1.59 4.38 1.65 3.67 1.62 4.04 1,00 4.04 QL October 2.42 2.26 2.32 2.29 1.33 3.71 1.32 3.32 1.18 3.49 1.26 3.52 ’* EiK§§H§t1o }oH.TX1{aTs{>nt1&Q@L Kentucky: Paducah, Cairo tlllinoisl, Franklin-Russellville, Prince- Kentucky: Middlesboro-Williumsburg. Burnsidtz-Greensburg-Eubnnk, _/=. ton, and Mayfield; Central Kentucky: Shelbyville—Taylorsville, Lex- and Berea-Buuttyville. ington, Richmond, and Frankfort; Northern Kentucky: Carrollton- f Km<*rUc1