condition	mean	min	max
4 h after light	3.420955	2.65026	4.19165
8 h after light	4.13936	3.72146	4.55726
12 h after light	4.01275	3.84681	4.17869
4 h after dark	5.79037	5.19577	6.39441
8 h after dark	4.888393333333333	4.48945	5.10207
12 h after dark	4.604376666666666	4.09716	5.06968