condition	mean	min	max
4 h after light	10.453640666666667	9.316682	11.22144
8 h after light	2.696086	1.700579	3.583994
12 h after light	5.620472333333334	3.9824379999999997	6.6360600000000005
16 h after light	7.976431	7.144028	8.717309
4 h after dark	12.118145333333333	6.650466000000001	16.121679999999998
8 h after dark	8.089544666666667	6.278266	9.902005