condition mean min max 0 h after light 133.9645 132.195 135.734 4 h after light 95.33109999999999 91.6992 98.963 8 h after light 66.71925 60.9476 72.4909 4 h after dark 131.3855 126.567 136.204 8 h after dark 118.4705 115.767 121.174 12 h after dark 127.0375 118.351 135.724