condition	mean	min	max
4 h after light	7.186388333333333	5.100828	8.726046
8 h after light	2.885566	1.771125	3.501617
12 h after light	7.168060333333333	4.594427	9.196
16 h after light	7.880811333333333	4.381581	13.715179999999998
4 h after dark	9.381549666666666	6.723705000000001	12.663969999999999
8 h after dark	4.533604	2.637337	6.403235