Definitions for "ISOHYET"
See Isohyetal line
A line connecting points of equal rainfall total. De Blij, H. J., and Perter O. Muller; Geography - Regions and Concepts; John Wiley and Sons, Inc.; New York, Chichester, Brisbane, Toronto and Singapore; 1992; page 606.
line on a map drawn through all points having the same numerical value of precipitation