condition	mean	min	max
4 h after light	21.07865	16.7202	25.4371
8 h after light	28.3782	26.0854	30.671
12 h after light	74.9979	70.1129	79.8829
4 h after dark	95.00943333333333	90.9824	98.9055
8 h after dark	60.13986666666667	57.4241	63.1393
12 h after dark	45.295633333333335	42.9045	46.9542