condition	mean	min	max
4 h after light	5.64715	4.59337	6.70093
8 h after light	3.9803750000000004	3.82785	4.1329
12 h after light	5.230735	5.06252	5.39895
4 h after dark	6.633166666666667	6.02464	7.6559
8 h after dark	6.92402	6.73661	7.13916
12 h after dark	5.446886666666667	5.18577	5.67882