condition	mean	min	max
4 h after light	7.4688300000000005	5.6833	9.25436
8 h after light	6.926175000000001	5.94068	7.91167
12 h after light	9.46106	8.03952	10.8826
4 h after dark	13.690233333333333	13.2369	14.3841
8 h after dark	14.188966666666667	13.3063	15.2088
12 h after dark	7.519683333333333	5.18134	8.84873