The black mark meant that the area should receive more than 450 inches of precipitation (rain and the water from snow if it all was melted) each year.
(it; was melted; T:each year) (The black mark; meant; that the area should receive more than 450 inches of precipitation (rain and the water from snow if it all was melted) each year) Context(The black mark meant,List([0, 20))):(the area; should receive; more than 450 inches of precipitation)
The black mark meant,List([0, 20))
it The black mark the area
was melted meant should receive
T:each year
that the area should receive more than 450 inches of precipitation (rain and the water from snow if it all was melted) each year
more than 450 inches of precipitation