condition	mean	min	max
4 h after light	3.143465	2.56396	3.72297
8 h after light	3.3440849999999998	3.21815	3.47002
12 h after light	3.619685	3.47805	3.76132
4 h after dark	4.6997599999999995	4.30865	5.26566
8 h after dark	4.249456666666666	4.04704	4.42061
12 h after dark	3.4028566666666666	2.45449	4.55737