condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.1860895 0.175497 0.196682 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.090178 0.0 0.180356 4 h after dark 0.346305 0.168376 0.524234 8 h after dark 0.288542 0.197043 0.380041 12 h after dark 0.0 0.0 0.0