condition	mean	min	max
0 h after light	4.345745	3.70516	4.98633
4 h after light	13.026	10.8539	15.1981
8 h after light	17.45745	11.9439	22.971
4 h after dark	18.18325	17.779	18.5875
8 h after dark	11.41272	9.57894	13.2465
12 h after dark	7.671595	3.35329	11.9899