condition mean min max 0 h after light 500.142 495.19 505.094 4 h after light 249.5795 247.881 251.278 8 h after light 131.3775 124.967 137.788 4 h after dark 186.97199999999998 183.357 190.587 8 h after dark 228.256 215.819 240.693 12 h after dark 463.8585 440.936 486.781