condition mean min max 4 h after light 0.354399 0.0 0.708798 8 h after light 0.774065 0.0 1.54813 12 h after light 0.56444 0.0 1.12888 4 h after dark 0.0 0.0 0.0 8 h after dark 2.2048133333333335 1.41591 3.30803 12 h after dark 0.8798733333333333 0.0 2.63962