condition mean min max 3 h after light 472.745 422.513 557.948 6 h after light 229.362 218.903 238.027 9 h after light 68.6065 61.9835 75.4115 12 h after light 18.330566666666666 18.2014 18.4496 3 h after dark 18.736900000000002 16.6068 22.6487 6 h after dark 54.1805 51.9592 55.4966 9 h after dark 280.74233333333336 246.558 317.92 12 h after dark 562.0516666666666 533.017 584.208