condition mean min max 0 h after light 0.093402 0.0 0.186804 4 h after light 0.1872585 0.184178 0.190339 8 h after light 0.3287645 0.27722 0.380309 4 h after dark 0.551301 0.460475 0.642127 8 h after dark 0.2763552 0.0927644 0.459946 12 h after dark 0.0922604 0.0912445 0.0932763