condition	mean	min	max
0 h after light	9.706814999999999	9.58517	9.82846
4 h after light	8.42446	7.82927	9.01965
8 h after light	8.806015	8.01707	9.59496
4 h after dark	7.27238	6.00903	8.53573
8 h after dark	8.981774999999999	8.59003	9.37352
12 h after dark	10.648755000000001	9.79221	11.5053