condition	mean	min	max
4 h after light	8.8223015	8.507971	9.136632
8 h after light	8.3685455	8.290345	8.446746
12 h after light	8.553023	8.446746	8.6593
4 h after dark	7.944234	7.502505	8.385963
8 h after dark	8.446746	8.446746	8.446746
12 h after dark	8.446746	8.446746	8.446746