Pluviometer :: Pluviometer (n.) An instrument for ascertaining the amount of rainfall at any place in a given time; a rain gauge.
Pluviometrical :: Pluviometrical (a.) Of or pertaining to a pluviometer; determined by a pluviometer.
Pluviose :: Pluviose (n.) The fifth month of the French republican calendar adopted in 1793. It began January 20, and ended February 18. See Vendemiaire..
Pluvious :: Pluvious (a.) Abounding in rain; rainy; pluvial.