condition	mean	min	max
0 h after light	7.87983	6.64723	9.11243
4 h after light	14.45655	14.0808	14.8323
8 h after light	13.6125	12.9798	14.2452
4 h after dark	18.159599999999998	17.5929	18.7263
8 h after dark	13.31795	12.5088	14.1271
12 h after dark	13.266725000000001	9.95745	16.576