condition	mean	min	max
4 h after light	4.30842	3.84781	4.76903
8 h after light	3.816835	3.71126	3.92241
12 h after light	5.012639999999999	4.71045	5.31483
4 h after dark	6.855255	6.08619	7.62432
8 h after dark	6.90067	6.82726	6.97408
12 h after dark	6.303725	5.85811	6.74934