condition	mean	min	max
0 h after light	9.307369999999999	8.09474	10.52
4 h after light	3.4010999999999996	3.23553	3.56667
8 h after light	1.97616	1.94801	2.00431
4 h after dark	4.630245	3.8676	5.39289
8 h after dark	6.272175	5.64938	6.89497
12 h after dark	8.09554	7.42841	8.76267