RAINFALL-CHART OF the UNITED STATES 



SHOWING THE DISTRIBUTION BY ISOHYETAL CURVFt; df tuf ufaim PHECIPITATinw iki o... . 

 === _ lo^JnitlAL 1-UHVE5 OF THE MEAN PHtV-l >-■ I AT ION IN RAIN AND MELTED SNOW FOR THE WINTER 



