downfall, precip, Deposition, snow, rain cloud, graupel, virga, shower, winter storm, cloud, more...

drought, dryness, aridity, desiccation, clearness

rain, sleet, hail, snow, more...

annual, average, total, mean, heavy, complete, fractional, low, high, monthly, atmospheric

rain or snow,   rain drops,   rain falling,   rainy weather,   drops from the sky,   when it rains,   falling rain,   for rain,   the rain,   rain droplets