condition	mean	min	max
4 h after light	8.781535	7.95257	9.6105
8 h after light	10.334115	9.85513	10.8131
12 h after light	11.0487	10.9384	11.159
4 h after dark	14.24015	14.1261	14.3542
8 h after dark	10.99615	10.6644	11.3279
12 h after dark	14.98325	14.3201	15.6464