condition mean min max 2 h after light 147.314 133.354 169.482 6 h after light 118.6728 89.5968 139.715 10 h after light 135.0746 88.5346 247.857 14 h after light 134.51806666666667 92.4354 175.424 18 h after light 125.83366666666666 108.544 149.578 2 h after dark 144.2045 125.063 166.295