condition	mean	min	max
0 h after light	7.4974	7.40918	7.58562
4 h after light	4.28512	3.7395	4.83074
8 h after light	6.264670000000001	5.21215	7.31719
4 h after dark	9.88973	9.34936	10.4301
8 h after dark	9.005205	8.40475	9.60566
12 h after dark	7.597935	6.48412	8.71175