condition	mean	min	max
4 h after light	8.941713333333333	8.84325	9.09371
8 h after light	9.108846666666667	8.95283	9.24054
12 h after light	9.10971	8.92106	9.39592
4 h after dark	9.024086666666665	8.855269999999999	9.317
8 h after dark	9.005320000000001	8.83825	9.25961
12 h after dark	8.80326	8.64055	8.891160000000001