condition	mean	min	max
4 h after light	8.2879005	7.886315	8.689486
8 h after light	8.6743695	8.60067	8.748069
12 h after light	9.086648499999999	7.886315	10.286982
4 h after dark	9.4733645	9.412233	9.534496
8 h after dark	8.745068499999999	8.742068	8.748069
12 h after dark	8.48381	8.48381	8.48381