condition	mean	min	max
4 h after light	3.11746	2.4032	3.83172
8 h after light	5.535645000000001	4.56496	6.50633
12 h after light	8.716505	8.46396	8.96905
4 h after dark	10.23972	9.61917	11.1806
8 h after dark	7.10023	6.63839	7.81979
12 h after dark	5.230626666666667	4.64845	5.81424