condition	mean	min	max
4 h after light	0.5259265	0.502848	0.549005
8 h after light	0.1771885	0.171078	0.183299
12 h after light	0.21533049999999998	0.208941	0.22172
4 h after dark	0.5703585	0.547872	0.592845
8 h after dark	0.492263	0.435418	0.549108
12 h after dark	0.7491655	0.648715	0.849616