condition	mean	min	max
4 h after light	8.147433333333334	8.06259	8.26122
8 h after light	9.25534	9.06767	9.39803
12 h after light	8.162273333333333	7.89562	8.44988
4 h after dark	7.63358	7.5101	7.81918
8 h after dark	8.065953333333333	7.9968699999999995	8.146
12 h after dark	8.244453333333334	8.18295	8.36603