condition	mean	min	max
0 h after light	3.51147	3.29512	3.72782
4 h after light	3.183995	3.03231	3.33568
8 h after light	5.007785	4.59189	5.42368
4 h after dark	6.84349	6.79533	6.89165
8 h after dark	5.24976	4.85353	5.64599
12 h after dark	3.97367	3.78538	4.16196