condition mean min max 0 h after light 2.022835 1.68394 2.36173 4 h after light 1.1871844999999999 0.830139 1.54423 8 h after light 0.3428305 0.0 0.685661 4 h after dark 0.580481 0.33077 0.830192 8 h after dark 1.16792 0.66339 1.67245 12 h after dark 1.420273 0.822526 2.01802