condition	mean	min	max
0 h after light	8.85797	8.15809	9.55785
4 h after light	4.640000000000001	4.50847	4.77153
8 h after light	3.26619	2.87279	3.65959
4 h after dark	6.808855	4.07404	9.54367
8 h after dark	6.632345	6.5918	6.67289
12 h after dark	9.35369	9.25183	9.45555