condition	mean	min	max
4 h after light	8.11199	7.89158	8.3324
8 h after light	5.46281	5.26961	5.65601
12 h after light	6.14143	5.97576	6.3071
4 h after dark	8.24291	7.8753	8.61052
8 h after dark	8.795304999999999	8.46312	9.12749
12 h after dark	10.087325	9.81375	10.3609