condition	mean	min	max
4 h after light	8.132018500000001	7.108677	9.15536
8 h after light	7.0282775	6.852661	7.203894
12 h after light	8.018844999999999	7.969502	8.068188
4 h after dark	7.371423	7.30143	7.441416
8 h after dark	8.166720999999999	7.984843	8.348599
12 h after dark	10.305412	10.305412	10.305412