condition	mean	min	max
4 h after light	18.522958000000003	15.577894	21.468022
8 h after light	21.4705195	16.816675	26.124364
12 h after light	23.5474715	18.050363	29.04458
4 h after dark	36.664215	15.861691	57.466739
8 h after dark	25.674353	16.423372	34.925334
12 h after dark	23.451007	23.451007	23.451007