condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0707475 0.0 0.141495 12 h after light 0.02880165 0.0 0.0576033 4 h after dark 0.07588595 0.0510759 0.100696 8 h after dark 0.0 0.0 0.0 12 h after dark 0.02483965 0.0 0.0496793