condition	mean	min	max
4 h after light	23.5289	18.6352	28.4226
8 h after light	15.54225	15.5199	15.5646
12 h after light	3.7718999999999996	3.41058	4.13322
4 h after dark	12.612133333333333	10.1266	14.6615
8 h after dark	13.0173	11.8114	14.0
12 h after dark	26.9235	26.5527	27.2415