In the past year just about the right amount of rain fell.
Proximity to the sea results in a substantial amount of rain.
August, when just the right amount of rain fell, was followed by an exceptionally hot September.
These will cause quite a large amount of rain, but they do not last long at all.
One expects a certain amount of rain in the spring, but there are also supposed to be sunny days now and then.
The weather around the city is generally cool with a substantial amount of rain.
"It may be that several places end up getting incredible amounts of rain."
This is the amount of rain the city normally receives in 212 days.
This is the reason why summer monsoons cause a large amount of rain over land.
There had been an unusual amount of rain that year.