condition mean min max 4 h after light 1273.4763014999999 1200.545232 1346.407371 8 h after light 1283.9802155 1261.348685 1306.611746 12 h after light 1360.4156425 1353.476616 1367.354669 4 h after dark 1652.3022740000001 1587.796006 1716.808542 8 h after dark 1815.7124835 1680.08459 1951.340377 12 h after dark 1929.539749 1929.539749 1929.539749