condition mean min max 4 h after light 786.2 786.2 786.2 8 h after light 564.6 477.8 651.4 12 h after light 396.95000000000005 319.8 474.1 4 h after dark 217.3 112.1 322.5 8 h after dark 308.45 125.3 491.6 12 h after dark 556.6 419.7 693.5