condition mean min max 0 h after light 171.1905 166.494 175.887 4 h after light 272.5525 238.634 306.471 8 h after light 157.8835 147.073 168.694 4 h after dark 144.5319 97.1748 191.889 8 h after dark 210.2165 207.135 213.298 12 h after dark 241.73950000000002 222.564 260.915