condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.7227575 0.352535 1.09298 8 h after light 0.7228355 0.353751 1.09192 4 h after dark 0.527448 0.352557 0.702339 8 h after dark 0.17756 0.0 0.35512 12 h after dark 0.35319100000000003 0.349302 0.35708