condition mean min max 4 h after light 243.62175 230.351244 256.892256 8 h after light 292.5775095 263.562753 321.592266 12 h after light 337.154386 304.922869 369.385903 4 h after dark 294.058997 288.331002 299.786992 8 h after dark 294.698308 275.868667 313.527949 12 h after dark 338.586937 338.586937 338.586937