condition mean min max 4 h after light 214.083073 211.549474 216.616672 8 h after light 211.03091949999998 181.47224 240.589599 12 h after light 225.7317675 205.16375 246.299785 4 h after dark 205.2008945 183.339578 227.062211 8 h after dark 192.3019525 180.944346 203.659559 12 h after dark 194.274699 194.274699 194.274699