condition mean min max 4 h after light 597.6105 432.6751 756.1168 8 h after light 339.24426666666665 206.7549 407.8155 12 h after light 180.0975 157.991 205.3463 16 h after light 351.1933 229.1566 550.2506 4 h after dark 771.1309 671.9638 905.5939 8 h after dark 454.50843333333336 311.5354 574.3576