condition	mean	min	max
4 h after light	4.30335	4.01371	4.59299
8 h after light	3.9188650000000003	3.89188	3.94585
12 h after light	3.80889	3.80385	3.81393
4 h after dark	5.50734	5.14527	5.71352
8 h after dark	5.75457	5.39016	6.30021
12 h after dark	4.36818	3.39442	5.37693