condition	mean	min	max
4 h after light	6.03033	5.62037	6.44029
8 h after light	9.922285	9.07887	10.7657
12 h after light	9.445805	9.36996	9.52165
4 h after dark	10.238206666666667	9.78582	10.7765
8 h after dark	8.36181	7.45954	9.12358
12 h after dark	6.445553333333334	5.77292	6.80826