condition	mean	min	max
4 h after light	16.305884	13.872168	18.7396
8 h after light	14.059048	13.994021	14.124075
12 h after light	15.093204	15.032117	15.154291
4 h after dark	12.428251	11.501573	13.354929
8 h after dark	12.6875155	11.250956	14.124075
12 h after dark	14.36444	14.36444	14.36444