condition	mean	min	max
4 h after light	22.82225	20.0543	25.5902
8 h after light	6.06466	6.04468	6.08464
12 h after light	3.950505	3.89956	4.00145
4 h after dark	5.942285	5.0324	6.85217
8 h after dark	12.76225	11.6998	13.8247
12 h after dark	13.862950000000001	13.8162	13.9097