condition	mean	min	max
4 h after light	13.87095	11.8824	15.8595
8 h after light	11.77655	11.7425	11.8106
12 h after light	13.6631	13.3576	13.9686
4 h after dark	17.242733333333334	16.2677	18.5734
8 h after dark	19.697133333333333	18.8639	20.4354
12 h after dark	15.568033333333332	14.9232	16.3842