condition	mean	min	max
4 h after light	49.40675	42.9301	55.8834
8 h after light	47.24165	43.8398	50.6435
12 h after light	46.13905	45.5379	46.7402
4 h after dark	68.14543333333333	63.2618	72.508
8 h after dark	86.16963333333334	80.91	90.4317
12 h after dark	62.70373333333333	56.225	69.7543