condition	mean	min	max
4 h after light	9.004475	7.77285	10.2361
8 h after light	5.965669999999999	5.41623	6.51511
12 h after light	7.56751	7.39395	7.74107
4 h after dark	8.037856666666666	7.72254	8.50228
8 h after dark	8.74865	8.24402	9.36444
12 h after dark	10.116859999999999	9.55115	10.8265