condition mean min max 4 h after light 344.520886 328.155134 360.886638 8 h after light 331.6938165 317.594973 345.79266 12 h after light 328.60719 326.967776 330.246604 4 h after dark 393.45260199999996 335.500365 451.404839 8 h after dark 384.274444 383.319775 385.229113 12 h after dark 383.250529 383.250529 383.250529