condition	mean	min	max
4 h after light	7.858295	7.46828	8.24831
8 h after light	3.9914050000000003	3.67553	4.30728
12 h after light	6.953965	6.76638	7.14155
4 h after dark	8.91094	8.50337	9.31851
8 h after dark	12.837050000000001	12.4021	13.272
12 h after dark	11.531099999999999	11.3944	11.6678