condition mean min max 0 h after light 1682.725 1641.55 1723.9 2 h after light 1893.77 1874.99 1912.55 4 h after light 1721.185 1674.03 1768.34 8 h after light 1653.325 1607.0 1699.65 12 h after light 2303.495 2190.51 2416.48 2 h after dark 2567.35 2538.0 2596.7 4 h after dark 2310.9049999999997 2295.65 2326.16 8 h after dark 1847.1599999999999 1775.74 1918.58 12 h after dark 1952.29 1916.56 1988.02