condition	mean	min	max
4 h after light	4.545755	4.45815	4.63336
8 h after light	5.54765	5.17999	5.91531
12 h after light	7.862875	7.43286	8.29289
4 h after dark	8.133234999999999	8.13045	8.13602
8 h after dark	8.555645	8.12395	8.98734
12 h after dark	8.93999	8.47409	9.40589