condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.029734633333333333 0.0 0.0892039 12 h after light 0.019543033333333334 0.0 0.0586291 4 h after dark 0.0 0.0 0.0 8 h after dark 0.054061 0.0 0.162183 12 h after dark 0.0 0.0 0.0