condition	mean	min	max
4 h after light	6.441935	5.96758	6.91629
8 h after light	8.206344999999999	7.88551	8.52718
12 h after light	7.39152	6.09985	8.68319
4 h after dark	10.218145	9.88289	10.5534
8 h after dark	7.9355899999999995	7.68955	8.18163
12 h after dark	7.41544	7.34608	7.4848