condition mean min max 0 h after light 0.03163975 0.0304737 0.0328058 2 h after light 0.0 0.0 0.0 4 h after light 0.0154818 0.0 0.0309636 8 h after light 0.0628828 0.0313518 0.0944138 12 h after light 0.0459096 0.0 0.0918192 2 h after dark 0.2291915 0.219612 0.238771 4 h after dark 0.1492155 0.146446 0.151985 8 h after dark 0.06733015 0.0661085 0.0685518 12 h after dark 0.0156421 0.0 0.0312842