condition	mean	min	max
4 h after light	68.407144	57.463699	79.350589
8 h after light	47.0319145	38.890332	55.173497
12 h after light	54.1256	44.506882	63.744318
4 h after dark	50.234233	40.788216	59.68025
8 h after dark	55.9926895	34.925334	77.060045
12 h after dark	178.653831	178.653831	178.653831