condition	mean	min	max
4 h after light	4.408566666666666	2.75399	6.13331
8 h after light	3.723424	0.870952	6.2099
12 h after light	5.67941	2.57701	9.42285
4 h after dark	8.53877	6.46148	10.3257
8 h after dark	7.203483333333334	6.48651	7.85933
12 h after dark	8.788923333333333	6.7884	10.4626