There's a slight coolness in the air - do you think it's going to rain?
This little stream can become a deluge when it rains heavily.
It's rained all day today.
It had been raining hard most of the afternoon.
You'll have to stay in at playtime today, because it's raining.
The cost of line-transect sampling represents, without doubt, lower expenditure in equipment, but t raining, food and a ccommodation costs for the researchers are higher.
Nowadays the sky raining every day one, you know.
It's if it isn't raining that he performs best.