What are the four words that describe the environment or climate?

Calm, birds singing and flowers fragrant, sunny, full of weather, grass grows and warblers fly, covering the sky, boundless, windy and rainy, gloomy and desolate, Wan Li is clear, windy and rainy, stormy and thunderous, nine days of cold, water drops into ice, scorching sun, warm spring in bloom and grass grows and warblers fly. ...