condition mean min max 0 h after light 0.336724 0.224216 0.449232 4 h after light 0.6171709999999999 0.571148 0.663194 8 h after light 2.753445 2.56768 2.93921 4 h after dark 0.7721439999999999 0.718506 0.825782 8 h after dark 0.332633 0.331237 0.334029 12 h after dark 0.330995 0.223915 0.438075