condition mean min max 3 h after light 0.47918875 0.216813 1.16232 7 h after light 0.37391716666666663 0.155159 0.791772 11 h after light 0.5494506666666666 0.107002 1.11179 2 h after dark 0.8350895833333333 0.319743 1.94166 6 h after dark 0.664797 0.144297 1.02243 10 h after dark 0.535026 0.124721 1.35722