condition	mean	min	max
4 h after light	7.867385	6.43929	9.29548
8 h after light	7.91428	7.34131	8.48725
12 h after light	7.698205	7.38736	8.00905
4 h after dark	9.632756666666667	8.6607	10.6453
8 h after dark	10.994643333333332	9.05613	12.4459
12 h after dark	8.29899	7.87399	8.97433