condition	mean	min	max
2 h after light	18.00075	16.8033	19.6795
6 h after light	16.384266666666665	14.7538	17.8174
10 h after light	17.22975	13.9157	22.2571
14 h after light	18.2055	12.7243	21.9694
18 h after light	19.1404	13.7483	23.323
2 h after dark	25.555866666666667	21.3525	32.6641