condition	mean	min	max
4 h after light	3.4318799999999996	3.3181	3.54566
8 h after light	4.62749	4.08513	5.16985
12 h after light	5.353885	5.02515	5.68262
4 h after dark	6.860745	6.32635	7.39514
8 h after dark	3.6760099999999998	3.61845	3.73357
12 h after dark	4.17256	3.98875	4.35637