condition	mean	min	max
4 h after light	21.38750333333333	18.06224	26.81767
8 h after light	9.679777333333334	5.165464	14.865029999999999
12 h after light	9.510667	6.631709	12.212819999999999
16 h after light	5.643484	3.56092	8.1525
4 h after dark	13.236305	9.416815	17.200229999999998
8 h after dark	20.605453333333333	17.383770000000002	25.13136