condition	mean	min	max
2 h after light	6.546223333333334	6.3955	6.75256
6 h after light	6.36897	5.39577	6.96306
10 h after light	6.74957	6.29662	7.10368
2 h after dark	7.835956666666666	6.82458	8.47683
6 h after dark	8.432223333333333	8.18228	8.59746
10 h after dark	6.30786	5.84075	7.03284