condition	mean	min	max
4 h after light	9.4772545	8.91737	10.037139
8 h after light	8.4867435	8.387326	8.586161
12 h after light	9.699213499999999	8.750335	10.648092
4 h after dark	8.858615499999999	8.780379	8.936852
8 h after dark	8.516093	8.192495	8.839691
12 h after dark	8.605562	8.605562	8.605562