condition mean min max 4 h after light 12.737 10.0999 15.3741 8 h after light 10.54785 10.4626 10.6331 12 h after light 12.055050000000001 11.6859 12.4242 4 h after dark 13.087 12.7966 13.5135 8 h after dark 15.510066666666667 14.6532 16.7551 12 h after dark 11.596866666666667 10.4656 12.1753