condition mean min max 4 h after light 77.56954999999999 75.5112 79.6279 8 h after light 61.38675 57.7564 65.0171 12 h after light 52.1882 48.8447 55.5317 4 h after dark 50.175266666666666 46.9369 54.4798 8 h after dark 51.6865 46.5678 54.8771 12 h after dark 68.90903333333333 63.9518 74.9372