condition mean min max 0 h after light 0.6492709999999999 0.537889 0.760653 4 h after light 1.095586 0.911822 1.27935 8 h after light 1.4312749999999999 1.04758 1.81497 4 h after dark 1.783055 1.67649 1.88962 8 h after dark 1.659775 1.58643 1.73312 12 h after dark 0.7508715 0.714947 0.786796