condition	mean	min	max
4 h after light	4.71882	4.13274	5.3049
8 h after light	11.1373	10.394	11.8806
12 h after light	21.62995	20.8916	22.3683
4 h after dark	18.558066666666665	17.8212	19.3375
8 h after dark	13.273466666666668	12.445	13.8519
12 h after dark	8.21928	7.62636	9.11157