condition	mean	min	max
4 h after light	8.171429499999999	7.896113	8.446746
8 h after light	9.042399	8.516853	9.567945
12 h after light	8.6572095	8.446746	8.867673
4 h after dark	8.6438425	7.186063	10.101622
8 h after dark	8.079419	7.78567	8.373168
12 h after dark	7.48014	7.48014	7.48014