condition	mean	min	max
4 h after light	8.045855	5.66661	10.4251
8 h after light	7.894125000000001	6.71193	9.07632
12 h after light	9.291425	8.42335	10.1595
4 h after dark	8.960633333333334	5.82252	14.2651
8 h after dark	9.567903333333334	8.06076	12.3418
12 h after dark	8.570153333333334	0.0	17.621