condition mean min max 0 h after light 1601.525 1498.94 1704.11 2 h after light 1959.99 1925.91 1994.07 4 h after light 1798.49 1752.19 1844.79 8 h after light 1678.045 1570.79 1785.3 12 h after light 1637.56 1548.44 1726.68 2 h after dark 1728.3899999999999 1613.43 1843.35 4 h after dark 1622.3899999999999 1576.41 1668.37 8 h after dark 1541.3 1511.34 1571.26 12 h after dark 1656.9450000000002 1656.4 1657.49