condition	mean	min	max
4 h after light	318.0	318.0	318.0
8 h after light	267.5	247.3	287.7
12 h after light	262.15	249.4	274.9
4 h after dark	309.85	293.8	325.9
8 h after dark	277.15	273.6	280.7
12 h after dark	262.9	242.4	283.4