condition	mean	min	max
4 h after light	3.42557	3.17531	3.67583
8 h after light	2.6147549999999997	2.35825	2.87126
12 h after light	2.567485	2.3565	2.77847
4 h after dark	3.90873	2.5538	5.26366
8 h after dark	3.368075	3.32588	3.41027
12 h after dark	2.8401899999999998	2.25815	3.42223