condition mean min max 0 h after light 0.3616385 0.0 0.723277 2 h after light 0.226115 0.162405 0.289825 4 h after light 0.286184 0.146981 0.425387 8 h after light 0.223519 0.149391 0.297647 12 h after light 1.634595 1.45285 1.81634 2 h after dark 0.7091385 0.446775 0.971502 4 h after dark 0.9194875 0.865747 0.973228 8 h after dark 0.874573 0.650816 1.09833 12 h after dark 0.3771655 0.308824 0.445507