condition	mean	min	max
4 h after light	15.2159	15.1505	15.2813
8 h after light	9.450865	8.35513	10.5466
12 h after light	5.541975	5.01624	6.06771
4 h after dark	9.55005	8.53475	10.455
8 h after dark	9.62545	8.49545	10.3376
12 h after dark	10.69161	9.96703	11.6721