condition	mean	min	max
4 h after light	3.8194350000000004	3.28677	4.3521
8 h after light	3.370765	3.17346	3.56807
12 h after light	4.295085	4.21075	4.37942
4 h after dark	5.8329450000000005	5.68525	5.98064
8 h after dark	6.310695000000001	6.03605	6.58534
12 h after dark	5.330584999999999	5.0901	5.57107