condition mean min max 4 h after light 511.65009150000003 443.683511 579.616672 8 h after light 635.9362945 601.211304 670.661285 12 h after light 660.4680725000001 642.56784 678.368305 4 h after dark 710.5406820000001 675.169688 745.911676 8 h after dark 704.810643 559.619998 850.001288 12 h after dark 663.551317 663.551317 663.551317