condition	mean	min	max
4 h after light	15.998349999999999	12.7339	19.2628
8 h after light	3.594345	3.5308	3.65789
12 h after light	2.250965	2.17059	2.33134
4 h after dark	12.934223333333334	9.64317	18.3825
8 h after dark	20.981466666666666	19.2958	23.0787
12 h after dark	30.772133333333333	25.4054	39.759