condition	mean	min	max
4 h after light	17.614300999999998	16.611779	18.616823
8 h after light	16.206311499999998	14.299947	18.112676
12 h after light	29.5916225	20.960526	38.222719
4 h after dark	20.102857	19.774625	20.431089
8 h after dark	55.29596599999999	42.239714	68.352218
12 h after dark	16.067405	16.067405	16.067405