condition	mean	min	max
0 h after light	15.05485	13.4266	16.6831
4 h after light	10.002205	9.93191	10.0725
8 h after light	6.862855	6.67847	7.04724
4 h after dark	5.0021450000000005	4.18221	5.82208
8 h after dark	8.761595	8.3077	9.21549
12 h after dark	11.777025	9.88855	13.6655