condition	mean	min	max
4 h after light	6.916755	5.78038	8.05313
8 h after light	9.05595	8.8308	9.2811
12 h after light	6.413245	6.24739	6.5791
4 h after dark	9.798435	8.79577	10.8011
8 h after dark	8.534945	8.18153	8.88836
12 h after dark	7.98854	7.977	8.00008