condition	mean	min	max
4 h after light	5.651434999999999	4.94351	6.35936
8 h after light	5.40625	5.17473	5.63777
12 h after light	5.30067	5.16144	5.4399
4 h after dark	6.385066666666667	6.21222	6.5168
8 h after dark	6.47415	6.2113	6.80241
12 h after dark	4.75782	4.5133	4.8897