condition mean min max 4 h after light 227.265694 193.149662 261.381726 8 h after light 236.755907 215.748374 257.76344 12 h after light 260.37165200000004 227.054998 293.688306 4 h after dark 316.5325835 259.910033 373.155134 8 h after dark 336.2504755 287.864051 384.6369 12 h after dark 213.189093 213.189093 213.189093