condition	mean	min	max
4 h after light	7.151005	7.01326	7.28875
8 h after light	8.78051	7.74173	9.81929
12 h after light	7.3106100000000005	6.74509	7.87613
4 h after dark	5.45882	4.04275	6.79046
8 h after dark	5.652426666666667	5.03562	6.6457
12 h after dark	6.052756666666666	2.49188	8.63463