condition mean min max 4 h after light 1172.437853 942.351937 1402.523769 8 h after light 393.601449 350.572798 436.6301 12 h after light 495.3968405 226.471371 764.32231 4 h after dark 161.9187085 15.374591 308.462826 8 h after dark 48.412904499999996 14.577886 82.247923 12 h after dark 2408.649379 2408.649379 2408.649379