condition	mean	min	max
4 h after light	8.636325	8.25902	9.01363
8 h after light	7.419295	7.07511	7.76348
12 h after light	6.37965	5.98155	6.77775
4 h after dark	8.107503333333334	7.09092	8.68279
8 h after dark	6.976836666666667	6.13548	7.78378
12 h after dark	8.1291	6.25021	10.4085