condition mean min max 4 h after light 2279.1910319999997 1619.731178 2938.650886 8 h after light 1686.8811824999998 1372.747653 2001.014712 12 h after light 1405.6464485000001 1398.291609 1413.001288 4 h after dark 939.968022 637.393526 1242.542518 8 h after dark 1011.990247 803.252117 1220.728377 12 h after dark 1315.968414 1315.968414 1315.968414