condition	mean	min	max
4 h after light	7.5356495	7.493996	7.577303
8 h after light	7.896326	7.591466	8.201186
12 h after light	8.2481	7.840548	8.655652
4 h after dark	7.173562499999999	7.129445	7.21768
8 h after dark	7.4599325	7.405482	7.514383
12 h after dark	7.934001	7.934001	7.934001