condition	mean	min	max
4 h after light	13.2674	11.9588	14.576
8 h after light	16.483449999999998	16.1632	16.8037
12 h after light	20.2718	19.9878	20.5558
4 h after dark	25.5415	23.1974	27.8856
8 h after dark	20.01415	19.7664	20.2619
12 h after dark	17.01245	16.8784	17.1465