condition	mean	min	max
4 h after light	9.50206	7.07817	11.8103
8 h after light	6.0388	1.93151	9.84735
12 h after light	7.46553	5.70382	10.271
4 h after dark	13.259733333333333	10.2621	17.6708
8 h after dark	12.542416666666666	9.27035	16.4175
12 h after dark	9.63889	9.1021	10.5541