condition	mean	min	max
4 h after light	4.199796666666667	2.87523	5.2224
8 h after light	4.655343333333333	1.07673	8.08728
12 h after light	6.16701	4.01931	8.71738
4 h after dark	11.704133333333333	7.4884	14.4477
8 h after dark	10.35439	8.71636	12.4752
12 h after dark	11.98027	9.27391	14.2715