condition	mean	min	max
4 h after light	2.39228	2.0103	2.77426
8 h after light	3.6532	3.52097	3.78543
12 h after light	5.18396	4.98536	5.38256
4 h after dark	6.700805	6.6056	6.79601
8 h after dark	4.7154	4.67099	4.75981
12 h after dark	4.62011	4.52366	4.71656