condition	mean	min	max
2 h after light	9.563703333333333	9.3565	9.73949
6 h after light	8.00229	7.9837	8.01512
10 h after light	10.481343333333333	9.86923	10.9181
2 h after dark	7.547243333333333	6.8999	7.89913
6 h after dark	5.29638	5.01803	5.47428
10 h after dark	5.55354	5.32263	5.74729