condition	mean	min	max
4 h after light	2.3908199999999997	2.16904	2.6126
8 h after light	2.54271	2.49339	2.59203
12 h after light	4.534314999999999	4.33026	4.73837
4 h after dark	3.9425966666666667	3.62848	4.24084
8 h after dark	4.511743333333333	3.67983	5.74529
12 h after dark	3.109593333333333	2.69988	3.69355