condition	mean	min	max
4 h after light	80.74175	79.0663	82.4172
8 h after light	82.21225	81.0345	83.39
12 h after light	72.7985	69.3438	76.2532
4 h after dark	51.48805	49.8759	53.1002
8 h after dark	63.4614	62.1728	64.75
12 h after dark	89.8966	89.0968	90.6964