condition	mean	min	max
4 h after light	10.036513	9.243959	10.829067
8 h after light	9.2423735	8.498193	9.986554
12 h after light	8.5774715	8.265495	8.889448
4 h after dark	9.041659	9.041659	9.041659
8 h after dark	9.121590000000001	8.593678	9.649502
12 h after dark	9.541289	9.541289	9.541289