condition	mean	min	max
4 h after light	80.6539	80.245	81.0628
8 h after light	69.3636	66.4672	72.26
12 h after light	64.1703	63.4497	64.8909
4 h after dark	60.14386666666667	58.6171	62.1702
8 h after dark	60.5971	59.1931	61.9698
12 h after dark	77.76083333333334	76.7808	79.4385