condition	mean	min	max
4 h after light	6.020506666666667	5.72152	6.29668
8 h after light	6.137156666666667	5.8125800000000005	6.39656
12 h after light	5.980653333333334	5.8131900000000005	6.08177
4 h after dark	5.79353	5.38935	6.073259999999999
8 h after dark	5.91689	5.66469	6.26126
12 h after dark	5.936883333333333	5.6559	6.08487