condition	mean	min	max
4 h after light	9.604614999999999	8.31513	10.8941
8 h after light	16.22535	15.7381	16.7126
12 h after light	13.69915	13.5225	13.8758
4 h after dark	16.95225	16.1755	17.729
8 h after dark	11.24835	10.5888	11.9079
12 h after dark	11.26745	10.1221	12.4128