condition	mean	min	max
3 h after light	17.6659	13.5662	20.4792
6 h after light	15.69661	8.83103	19.8325
9 h after light	16.54606666666667	12.7903	20.4681
12 h after light	19.109475	13.7807	26.6514
3 h after dark	16.60943333333333	14.648	18.0016
6 h after dark	22.325433333333333	21.0136	23.9564
9 h after dark	18.841433333333335	16.3988	22.1253
12 h after dark	22.004649999999998	19.3749	24.6344