The Andes of southern Peru . v^;^X i ^^ Overcast Scale o£ CloTidinessCZIClear 11^ £ ^ Fig. S4—Cloudiness at Callao. Figuresare drawn from data in the Boletin de laSociedad Geografioa de Lima, Vols. 7 and 8,1898-1900. They represent the conditions atthree observation hours during the summers(Dee., Jan.) of 1897-1898, 1898-1899, 1899-1900 and the winters (June, July) of 1898 and1899. 13i THE ANDES OF SOUTHERN PERU doubtless by convectional rising, causes ascent of the compara-tively humid air and the formation of cloud. Farther eastward,as the topographic influence is more st
The Andes of southern Peru . v^;^X i ^^ Overcast Scale o£ CloTidinessCZIClear 11^ £ ^ Fig. S4—Cloudiness at Callao. Figuresare drawn from data in the Boletin de laSociedad Geografioa de Lima, Vols. 7 and 8,1898-1900. They represent the conditions atthree observation hours during the summers(Dee., Jan.) of 1897-1898, 1898-1899, 1899-1900 and the winters (June, July) of 1898 and1899. 13i THE ANDES OF SOUTHERN PERU doubtless by convectional rising, causes ascent of the compara-tively humid air and the formation of cloud. Farther eastward,as the topographic influence is more strongly felt, the cloudiness 1894 1895. Fig. 85—Temperature curves for Mollendo (solid lines) and La Joya (brokenlines) April, 1894, to December, 1895, dra\vn from data in Peruvian Meteorology, 1892-1895, Annals of the Astronomical Observatory of Harvard College, Vol. 49, Pt. 2,Cambridge, Mass., 1908. Tlie approximation of the two curves of maximum tempera-ture during the winter months contrasts with the well-maintained difference in minimumtemperatures throughout the year. increases until on the border zone, about 8,000 feet in elevation, itmay thicken to actual rain. Data have been selected to demon-strate this eastern gradation of meteorological phenomena. 1892 1893 1894 1895 A M J J A s 0 N I) J F M A M J J AS o N D J F M A M J J A s o N D J F M A M{J |J|A s 0 N D 1 1 WI^ I SB SUMMER \MI> ITEI i 3lj M HER W nt: :r SL MMEr WINTER 10 g A, 87 -1 ^ /\ V -> A \ ^ y / ^ / -- / \ / ^ ,Mol cr li( 6 J 1 \ / \. / y / y N / \ / \ r ^ s HI 3 210 v. *v ^ , \l L a Joi A „J ,> ?. ^ / •^ ^J ^ >. ^ ^ ^ J ?- ? ?
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Keywords: ., bookcentury1900, bookdecade1910, bookidandeso, booksubjectgeology
