condition mean min max 1 h after light 6.6115424905 6.244350408 6.978734573 3 h after light 8.343960719666667 6.613950112 11.30826711 5 h after light 7.899574549666666 5.0928714489999996 9.69405624 7 h after light 8.370632497 3.340827267 11.80730029 9 h after light 10.425701951666667 6.019259555 13.37721304 11 h after light 11.154428921000001 6.290884752999999 14.80099077 13 h after light 12.415029788666669 6.2452315060000005 15.74445446 15 h after light 12.649590923333333 10.5602206 14.34981882 1 h after dark 14.630875276666666 12.96901236 16.62739964 3 h after dark 15.457730783333332 14.44713708 16.66061228 5 h after dark 13.05981584 10.20930146 14.72956181 7 h after dark 12.313080326666666 10.17594995 13.99156737