condition	mean	min	max
4 h after light	10.521065	9.94133	11.1008
8 h after light	8.194315	6.99402	9.39461
12 h after light	7.970375	6.82882	9.11193
4 h after dark	11.904066666666667	10.6933	12.766
8 h after dark	12.785333333333334	11.358	13.9022
12 h after dark	13.0032	11.2096	15.3824