condition	mean	min	max
4 h after light	6.752675	5.6401	7.86525
8 h after light	5.9744	5.62993	6.31887
12 h after light	7.2767	5.98585	8.56755
4 h after dark	9.40554	8.32158	10.4895
8 h after dark	8.18442	8.02098	8.34786
12 h after dark	7.215315	6.57112	7.85951