The forest needs an average temperature of at least ten degrees Celsius, in the summer the amount of rain must be at least averaging 20 millimeters per year.
(the amount of rain; must be; at least averaging 20 millimeters per year; T:in the summer) Context(the amount of rain must be,List([87, 113))):(The forest; needs; an average temperature of at least ten degrees)
the amount of rain must be,List([87, 113))
the amount of rain The forest
must be needs
at least averaging 20 millimeters per year T:in the summer
an average temperature of at least ten degrees