HIBERiSTATION AND DEVliLOPMENT OE BOLL WEEVIL. 15 



Oct. No,/. Oec. Jan hi. N\ac. ^fx. iA*Y W Ji/I| • Qy^ Stji. 



NORM/^L -^/r\- * 



i6<j«l. iq#o 



in^-Hoo — — 



Jioo-oi^4,>^ 



NORMAt Jm 



NORMAL 



Fig. 4.— Rainfall and temperature records, Hallettsville, Tex., 1899-1901, compared with normals for 



each year. 



