condition mean min max 4 h after light 351.5336925 171.413379 531.654006 8 h after light 209.39042849999998 176.254386 242.526471 12 h after light 215.4598585 212.303045 218.616672 4 h after dark 406.7280135 291.150224 522.305803 8 h after dark 533.5047335 455.770518 611.238949 12 h after dark 810.557732 810.557732 810.557732