condition	mean	min	max
2 h after light	8.081679999999999	7.52999	9.03235
6 h after light	6.87439	5.8959	7.52992
10 h after light	5.67797	5.1549	6.59601
2 h after dark	5.86879	5.27214	6.31196
6 h after dark	4.167256666666667	3.96655	4.28638
10 h after dark	3.430423333333333	3.21914	3.58805