condition	mean	min	max
0 h after light	3.513925	3.4371	3.59075
4 h after light	5.14252	3.71642	6.56862
8 h after light	5.915495	5.03018	6.80081
4 h after dark	4.92731	3.86528	5.98934
8 h after dark	3.190795	3.08772	3.29387
12 h after dark	3.750285	3.02262	4.47795