condition	mean	min	max
4 h after light	4.760223333333333	4.73913	4.8015
8 h after light	4.73234	4.6914	4.75721
12 h after light	4.646186666666667	4.5785800000000005	4.746
4 h after dark	4.74491	4.72018	4.793019999999999
8 h after dark	4.687686666666667	4.51969	4.8287
12 h after dark	4.79343	4.7111	4.89834