condition	mean	min	max
0 h after light	17.324550000000002	15.1812	19.4679
4 h after light	11.993735000000001	9.51797	14.4695
8 h after light	17.0116	14.8158	19.2074
4 h after dark	17.8326	17.208	18.4572
8 h after dark	18.139400000000002	17.2528	19.026
12 h after dark	15.465300000000001	14.6294	16.3012