condition mean min max 4 h after light 0.0335343 0.0334039 0.0336647 8 h after light 0.054794 0.0 0.109588 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.026458799999999998 0.0241884 0.0287292