condition	mean	min	max
4 h after light	6.800866666666667	4.02315	10.0173
8 h after light	4.121079666666667	0.991219	6.93707
12 h after light	4.88848	2.78718	7.16826
4 h after dark	7.9844	5.74913	10.5553
8 h after dark	7.9043600000000005	6.57081	8.97722
12 h after dark	8.82842	7.0881	11.4145