condition	mean	min	max
4 h after light	4.757123333333333	4.57481	5.09166
8 h after light	4.85836	4.63438	5.165830000000001
12 h after light	4.694326666666667	4.45219	5.07586
4 h after dark	4.70907	4.63721	4.79889
8 h after dark	4.739003333333334	4.388330000000001	5.11075
12 h after dark	4.72284	4.48993	5.09239