condition mean min max 4 h after light 745.4941349999999 730.503254 760.485016 8 h after light 499.06616099999997 460.459985 537.672337 12 h after light 523.7734085 448.15243 599.394387 4 h after dark 266.9477165 228.743568 305.151865 8 h after dark 188.16301249999998 110.009942 266.316083 12 h after dark 730.730814 730.730814 730.730814