condition	mean	min	max
0 h after light	2.62987	2.45688	2.80286
4 h after light	2.51797	2.41803	2.61791
8 h after light	5.401735	4.62167	6.1818
4 h after dark	4.711705	4.60607	4.81734
8 h after dark	4.84827	4.1756	5.52094
12 h after dark	2.477035	2.21595	2.73812