condition mean min max 4 h after light 2178.1561110000002 1948.38 2508.855 8 h after light 2364.8616666666667 2254.003333 2436.506667 12 h after light 1960.572222 1855.27 2121.263333 1.5 h after dark 2038.588889 1892.886667 2214.98 5.5 h after dark 1691.6399999999999 1386.296667 2144.053333 9.5 h after dark 2035.8788889999998 1561.546667 2340.763333