condition mean min max 4 h after light 4957.1849999999995 4528.74 5385.63 8 h after light 5466.465 5441.55 5491.38 12 h after light 5786.71 5682.2 5891.22 4 h after dark 6003.763333333333 5646.27 6234.51 8 h after dark 5249.5633333333335 5156.4 5419.79 12 h after dark 5376.26 5289.16 5516.81