condition	mean	min	max
4 h after light	2.3259749999999997	1.95811	2.69384
8 h after light	3.5187850000000003	3.40072	3.63685
12 h after light	6.06065	5.55033	6.57097
4 h after dark	6.868315	5.79889	7.93774
8 h after dark	5.614365	5.25398	5.97475
12 h after dark	4.900505	4.62454	5.17647