condition mean min max 4 h after light 0.0409087 0.0183879 0.0634295 8 h after light 0.03769595 0.0 0.0753919 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.05719793333333333 0.036732 0.0858179 12 h after dark 0.016817466666666666 0.0 0.0504524