condition	mean	min	max
4 h after light	17.4178735	17.39637	17.439377
8 h after light	15.629728	14.74738	16.512076
12 h after light	13.649452499999999	12.551525	14.74738
4 h after dark	15.097733	13.060655	17.134811
8 h after dark	14.457324	14.267229	14.647419
12 h after dark	11.674385	11.674385	11.674385