condition	mean	min	max
4 h after light	3.83493	3.46286	4.207
8 h after light	6.19178	6.15856	6.225
12 h after light	6.43143	5.36497	7.49789
4 h after dark	7.389475	7.06771	7.71124
8 h after dark	5.25475	5.16969	5.33981
12 h after dark	5.545885	5.13527	5.9565