condition	mean	min	max
0 h after light	7.54186	6.96304	8.12068
4 h after light	14.88475	14.3485	15.421
8 h after light	14.556899999999999	13.3825	15.7313
4 h after dark	15.0323	14.3461	15.7185
8 h after dark	13.1847	12.5384	13.831
12 h after dark	9.212495	6.90179	11.5232