condition	mean	min	max
2 h after light	15.916	14.7334	16.8075
6 h after light	17.226933333333335	15.9749	18.5137
10 h after light	19.168766666666667	17.1379	20.2844
2 h after dark	16.6611	16.4131	17.0846
6 h after dark	17.0657	16.2156	17.6533
10 h after dark	13.8493	13.3164	14.3051