condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0294136 0.0 0.0588272 12 h after light 0.0 0.0 0.0 4 h after dark 0.019047166666666667 0.0 0.0571415 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0