condition	mean	min	max
4 h after light	14.129858500000001	13.951116	14.308601
8 h after light	13.3070555	11.731186	14.882925
12 h after light	13.5573975	12.299205	14.81559
4 h after dark	10.7154335	10.1354	11.295467
8 h after dark	10.900272000000001	9.364974	12.43557
12 h after dark	18.529563	18.529563	18.529563