condition	mean	min	max
4 h after light	16.266021	10.614906	21.917136
8 h after light	22.4184145	21.272027	23.564802
12 h after light	16.931012	14.157928	19.704096
4 h after dark	21.5187985	21.31543	21.722167
8 h after dark	22.120931	20.872391	23.369471
12 h after dark	20.532788	20.532788	20.532788