condition	mean	min	max
4 h after light	3.90682	3.84495	3.9472400000000003
8 h after light	3.9432733333333334	3.8547	4.10774
12 h after light	3.97145	3.95749	3.9923599999999997
4 h after dark	3.96866	3.9060300000000003	4.08174
8 h after dark	3.9754799999999997	3.91269	4.06835
12 h after dark	3.8939666666666666	3.8648	3.94354