condition mean min max 3 h after light 240.28066666666666 201.811 304.315 6 h after light 250.019 160.349 363.978 9 h after light 315.69966666666664 284.717 335.363 12 h after light 453.45475 385.016 483.49 3 h after dark 681.785 636.801 762.651 6 h after dark 555.398 526.051 575.56 9 h after dark 434.40366666666665 355.009 524.617 12 h after dark 360.75199999999995 339.503 382.001