condition mean min max 4 h after light 633.8354 626.8321 642.5792 8 h after light 587.5105 464.8189 662.3665 12 h after light 342.3288 261.9984 419.2458 16 h after light 726.2587666666667 641.4281 848.335 4 h after dark 482.55536666666666 283.3515 597.6465 8 h after dark 410.7305333333333 371.2838 481.1721