condition	mean	min	max
0 h after light	8.232145	7.91386	8.55043
4 h after light	7.8127949999999995	7.02882	8.59677
8 h after light	5.268245	5.16039	5.3761
4 h after dark	7.32128	7.24248	7.40008
8 h after dark	9.501475	9.29181	9.71114
12 h after dark	7.79462	7.55538	8.03386