condition	mean	min	max
4 h after light	53.4452	49.9238	56.9666
8 h after light	27.082050000000002	25.7386	28.4255
12 h after light	20.73075	18.3379	23.1236
4 h after dark	50.5124	48.3032	52.7216
8 h after dark	63.91825	62.1643	65.6722
12 h after dark	65.6343	62.1433	69.1253