condition	mean	min	max
4 h after light	21.39555	10.6423	32.1488
8 h after light	5.45656	5.26069	5.65243
12 h after light	4.258665	3.86122	4.65611
4 h after dark	12.885855	7.15861	18.6131
8 h after dark	52.00465	43.5854	60.4239
12 h after dark	27.9257	26.5396	29.3118