condition	mean	min	max
4 h after light	7.796445	6.87793	8.71496
8 h after light	9.35173	9.22904	9.47442
12 h after light	10.59948	9.73746	11.4615
4 h after dark	11.8394	11.7022	11.9418
8 h after dark	10.141466666666666	8.942	10.8826
12 h after dark	9.272933333333333	8.96579	9.65052