condition	mean	min	max
2 h after light	18.038483333333332	11.3563	21.2294
6 h after light	14.178195	9.93267	18.491
10 h after light	15.768799999999999	14.1225	18.769
14 h after light	20.628283333333332	13.9503	26.812
18 h after light	22.093899999999998	11.1523	29.8824
2 h after dark	17.908616666666667	12.7791	23.8764