condition mean min max 4 h after light 761.5 761.5 761.5 8 h after light 916.05 852.6 979.5 12 h after light 800.4000000000001 584.7 1016.1 4 h after dark 693.6500000000001 663.1 724.2 8 h after dark 767.45 668.0 866.9 12 h after dark 774.8 624.3 925.3