condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0861781 0.0265674 0.175452 12 h after light 0.313515 0.15797 0.534485 4 h after dark 0.466352 0.286184 0.62176 8 h after dark 0.26347966666666667 0.115287 0.415339 12 h after dark 0.12669066666666667 0.0 0.243484