condition	mean	min	max
0 h after light	7.31676	7.00831	7.62521
4 h after light	6.419745000000001	6.22923	6.61026
8 h after light	7.34082	6.85027	7.83137
4 h after dark	9.778355	9.6428	9.91391
8 h after dark	7.9348	7.54913	8.32047
12 h after dark	6.425295	5.88833	6.96226