Measurements should be made in at least three locations on the swim course, spaced so as to divide the entire swim course into approximately equidistant segments, and measured at a depth of 18 inches below the surface of the water, at points where direct sunlight can strike the water.
(direct sunlight; can strike; the water; L:points) (Measurements should be made in at least three locations on the swim course; spaced; so as to divide the entire swim course into approximately equidistant segments, and measured at a depth of 18 inches below the surface of the water, at points)
direct sunlight Measurements should be made in at least three locations on the swim course
can strike spaced
the water L:points
so as to divide the entire swim course into approximately equidistant segments, and measured at a depth of 18 inches below the surface of the water, at points