condition mean min max 4 h after light 498.1877666666667 485.3096 511.8366 8 h after light 545.6424 381.9183 699.6696 12 h after light 339.9474 308.4437 372.9196 16 h after light 533.0119666666667 442.639 582.8891 4 h after dark 535.1162666666667 491.9651 558.1537 8 h after dark 449.88100000000003 342.52 571.6973