condition mean min max 4 h after light 4.7748099999999996 3.99767 5.55195 8 h after light 4.39279 4.07631 4.70927 12 h after light 4.51929 4.20658 4.832 4 h after dark 6.4384500000000005 6.23087 6.58117 8 h after dark 5.987526666666667 5.63509 6.37372 12 h after dark 5.17516 4.51659 6.47339