condition	mean	min	max
0 h after light	6.9170300000000005	6.26397	7.57009
4 h after light	5.235705	4.55717	5.91424
8 h after light	5.109815	2.97202	7.24761
4 h after dark	9.064705	8.39385	9.73556
8 h after dark	9.814350000000001	9.0155	10.6132
12 h after dark	6.88809	6.30857	7.46761