condition mean min max 0 h after light 16.26785 14.8163 17.7194 4 h after light 27.2682 24.3156 30.2208 8 h after light 25.770899999999997 24.8114 26.7304 4 h after dark 16.4512 15.7102 17.1922 8 h after dark 16.8466 15.2567 18.4365 12 h after dark 12.99455 12.0752 13.9139