condition	mean	min	max
3 h after light	8.8245075	4.77228	12.6652
7 h after light	8.24929	4.98028	12.2098
11 h after light	8.883108333333332	5.08049	12.6987
2 h after dark	9.837430833333334	5.77432	12.7693
6 h after dark	8.974930833333334	5.63881	12.3614
10 h after dark	8.054385	4.21993	12.2363