condition	mean	min	max
4 h after light	16.0781	15.3668	16.7894
8 h after light	42.99875	40.7309	45.2666
12 h after light	29.59675	29.1934	30.0001
4 h after dark	16.797	15.4429	17.7274
8 h after dark	14.915333333333333	13.4529	15.9437
12 h after dark	13.282533333333333	11.5377	15.2074