condition	mean	min	max
4 h after light	4.3695	3.66302	5.07598
8 h after light	6.9015699999999995	6.5427	7.26044
12 h after light	6.115205	4.23971	7.9907
4 h after dark	11.25415	11.1339	11.3744
8 h after dark	9.305990000000001	8.70002	9.91196
12 h after dark	8.476265	8.28894	8.66359