condition	mean	min	max
0 h after light	8.70941	8.10333	9.31549
4 h after light	9.332519999999999	8.51334	10.1517
8 h after light	16.7314	16.5597	16.9031
4 h after dark	15.03055	13.6222	16.4389
8 h after dark	13.98215	11.6103	16.354
12 h after dark	10.881	10.0824	11.6796