condition mean min max 0 h after light 0.1202825 0.0 0.240565 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 4 h after dark 0.1179225 0.0 0.235845 8 h after dark 0.119249 0.0 0.238498 12 h after dark 0.0 0.0 0.0