condition	mean	min	max
4 h after light	4.752260000000001	4.73298	4.78411
8 h after light	4.7859	4.62237	4.9711
12 h after light	4.667996666666666	4.56855	4.82006
4 h after dark	4.80164	4.76129	4.8773
8 h after dark	4.778443333333334	4.46945	5.12221
12 h after dark	4.732846666666667	4.613180000000001	4.88995