condition mean min max 4 h after light 345.8059735 251.592513 440.019434 8 h after light 409.522982 356.639539 462.406425 12 h after light 445.21171 371.729825 518.693595 4 h after dark 824.3616460000001 351.391436 1297.331856 8 h after dark 1247.1031665 551.565795 1942.640538 12 h after dark 447.693595 447.693595 447.693595