condition	mean	min	max
0 h after light	6.322005	5.56532	7.07869
4 h after light	5.622075	4.80892	6.43523
8 h after light	9.206869999999999	8.02034	10.3934
4 h after dark	8.61411	8.20035	9.02787
8 h after dark	7.264115	6.64523	7.883
12 h after dark	6.025399999999999	5.68113	6.36967