condition	mean	min	max
4 h after light	7.402435499999999	6.992563	7.812308
8 h after light	8.341361500000001	8.149853	8.53287
12 h after light	7.623215	7.269495	7.976935
4 h after dark	7.6643159999999995	7.591466	7.737166
8 h after dark	7.410434499999999	7.229403	7.591466
12 h after dark	7.591466	7.591466	7.591466