condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.03648933333333333 0.0 0.109468 12 h after dark 0.03605066666666667 0.0 0.108152