condition	mean	min	max
4 h after light	126.34888889999999	99.63	176.54
8 h after light	103.13722222333334	86.28	130.475
12 h after light	89.77111110999999	61.92333333	113.66
1.5 h after dark	70.58111111333334	29.14666667	96.32
5.5 h after dark	91.42111111333334	80.43	97.06666667
9.5 h after dark	90.07555555333333	77.03	96.65333333