condition	mean	min	max
4 h after light	4.489495	4.23133	4.74766
8 h after light	5.87102	5.79947	5.94257
12 h after light	7.65939	7.4828	7.83598
4 h after dark	7.395944999999999	6.85997	7.93192
8 h after dark	6.441705	6.10654	6.77687
12 h after dark	5.28583	4.85223	5.71943