condition	mean	min	max
4 h after light	5.99726	5.423	6.57152
8 h after light	5.330579999999999	5.19325	5.46791
12 h after light	5.4026499999999995	5.17379	5.63151
4 h after dark	7.750993333333333	7.39941	8.383
8 h after dark	9.203663333333333	7.70976	10.0952
12 h after dark	6.448456666666667	5.53554	7.22714