In each of these years the fresh-water flow into the tidal river at Trenton was low during the period from July to October.
(the fresh-water flow into the tidal river at Trenton; was; low; T:during the period from July to October; L:In each of these years)
the fresh-water flow into the tidal river at Trenton
was
low T:during the period from July to October L:In each of these years