condition	mean	min	max
4 h after light	8.467428	8.297077	8.637779
8 h after light	7.9412305	7.78377	8.098691
12 h after light	7.7046695	7.562222	7.847117
4 h after dark	8.3968115	8.334102	8.459521
8 h after dark	7.445617	7.044117	7.847117
12 h after dark	7.14727	7.14727	7.14727