condition mean min max 4 h after light 0.06837855000000001 0.049484 0.0872731 8 h after light 0.0674619 0.054114 0.0808098 12 h after light 0.0984396 0.0981849 0.0986943 4 h after dark 0.135566 0.109388 0.161744 8 h after dark 0.155849 0.11888 0.192818 12 h after dark 0.0971481 0.0957575 0.0985387