condition mean min max 4 h after light 231.80006666666665 181.9374 303.2093 8 h after light 391.5338 323.9239 445.9587 12 h after light 325.5546 258.5464 395.0831 16 h after light 537.4931333333334 465.3858 578.3735 4 h after dark 410.8916 360.1292 437.4172 8 h after dark 234.0495666666667 160.9748 278.5599