condition mean min max 4 h after light 0.02048225 0.0 0.0409645 8 h after light 0.0 0.0 0.0 12 h after light 0.06161245 0.0579821 0.0652428 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0