condition mean min max 4 h after light 416.2821695 388.870674 443.693665 8 h after light 387.0378685 348.079252 425.996485 12 h after light 353.849666 242.034074 465.665258 4 h after dark 396.897433 387.884916 405.90995 8 h after dark 598.331983 572.222359 624.441607 12 h after dark 370.749052 370.749052 370.749052