condition	mean	min	max
4 h after light	3.757615	3.29842	4.21681
8 h after light	4.43471	4.17805	4.69137
12 h after light	1.98498	1.47961	2.49035
4 h after dark	3.7181833333333336	3.15029	4.41373
8 h after dark	7.93102	6.89846	8.50675
12 h after dark	5.004263333333333	4.56162	5.8005