condition	mean	min	max
4 h after light	3.807253333333333	3.75379	3.86911
8 h after light	3.781896666666667	3.6624800000000004	3.84994
12 h after light	3.7316733333333336	3.68013	3.7580400000000003
4 h after dark	3.87846	3.78022	3.96525
8 h after dark	3.84709	3.7966300000000004	3.9309800000000004
12 h after dark	3.84666	3.7444900000000003	3.99718