condition	mean	min	max
4 h after light	10.995555556666666	6.38	14.86
8 h after light	21.359444443333334	10.96	33.915
12 h after light	142.3988889	56.54	224.2266667
1.5 h after dark	107.80444443333333	87.9	139.6433333
5.5 h after dark	39.75888889	36.15	46.41
9.5 h after dark	17.594444446666667	13.3	23.39666667