condition mean min max 4 h after light 30.087289499999997 27.879862 32.294717 8 h after light 28.2293415 27.879862 28.578821 12 h after light 28.648996 27.520328 29.777664 4 h after dark 29.7941665 28.708305 30.880028 8 h after dark 30.1771825 25.612539 34.741826 12 h after dark 25.097634 25.097634 25.097634