condition	mean	min	max
4 h after light	18.9181815	16.132475	21.703888
8 h after light	13.0512745	12.42832	13.674229
12 h after light	12.300511	10.947319	13.653703
4 h after dark	13.3848755	10.390199	16.379552
8 h after dark	15.660383500000002	13.404949	17.915818
12 h after dark	22.718453	22.718453	22.718453