condition mean min max 0 h after light 891.7674999999999 784.755 998.78 4 h after light 333.845 321.811 345.879 8 h after light 288.65049999999997 258.337 318.964 4 h after dark 539.5125 489.185 589.84 8 h after dark 716.6534999999999 713.646 719.661 12 h after dark 827.068 697.555 956.581