condition	mean	min	max
4 h after light	14.7966415	12.123835	17.469448
8 h after light	16.313571	15.410529	17.216613
12 h after light	18.183867	16.321906	20.045828
4 h after dark	17.9413315	15.083667	20.798996
8 h after dark	16.2996315	15.996883	16.60238
12 h after dark	17.57535	17.57535	17.57535