condition	mean	min	max
4 h after light	50.581235	38.681521	62.480949
8 h after light	61.48808	57.039689	65.936471
12 h after light	55.362088	44.091617	66.632559
4 h after dark	45.623575	42.357183	48.889967
8 h after dark	41.445315	37.966125	44.924505
12 h after dark	38.685807	38.685807	38.685807