condition mean min max 4 h after light 269.108625 238.864943 299.352307 8 h after light 243.068672 224.103041 262.034303 12 h after light 252.81785100000002 247.539749 258.095953 4 h after dark 227.178516 211.667749 242.689283 8 h after dark 209.135714 203.078211 215.193217 12 h after dark 308.455822 308.455822 308.455822