condition	mean	min	max
4 h after light	16.67605	16.5383	16.8138
8 h after light	9.75616	9.47252	10.0398
12 h after light	7.14026	6.59703	7.68349
4 h after dark	8.14508	8.08663	8.20353
8 h after dark	15.3295	14.9074	15.7516
12 h after dark	18.0533	17.3034	18.8032