condition mean min max 4 h after light 5347.8505350000005 1328.737402 9366.963668 8 h after light 5135.1551335 3025.924364 7244.385903 12 h after light 3910.9584615 3735.881645 4086.035278 4 h after dark 2039.1855369999998 42.997161 4035.373913 8 h after dark 83.08339649999999 30.526547 135.640246 12 h after dark 713.55703 713.55703 713.55703