condition mean min max 0 h after light 16.1939 15.0203 17.3675 2 h after light 6.9518699999999995 6.4089 7.49484 4 h after light 5.080095 4.61621 5.54398 8 h after light 43.859399999999994 39.8332 47.8856 12 h after light 75.7225 70.5862 80.8588 2 h after dark 62.62755 56.146 69.1091 4 h after dark 44.3746 41.3406 47.4086 8 h after dark 40.4794 38.6186 42.3402 12 h after dark 22.5317 20.9819 24.0815