condition	mean	min	max
2 h after light	5.865683333333333	5.53058	6.18404
6 h after light	5.56097	5.51407	5.62188
10 h after light	5.02024	4.51287	5.33734
2 h after dark	5.28043	5.10811	5.47255
6 h after dark	3.76296	3.64901	3.8287
10 h after dark	3.62515	3.54019	3.71798