condition mean min max 0 h after light 0.0464634 0.0 0.0929268 4 h after light 0.0 0.0 0.0 8 h after light 0.1389857 0.0944254 0.183546 4 h after dark 0.2279387 0.0914634 0.364414 8 h after dark 0.1370375 0.0 0.274075 12 h after dark 0.090619 0.0 0.181238