condition mean min max 3 h after light 1761.48 1256.58 2298.79 7 h after light 1407.3575 1153.53 1675.18 11 h after light 1504.3033333333333 1055.09 2077.3 2 h after dark 1584.017 973.364 1893.36 6 h after dark 2080.5208333333335 1426.67 2560.31 10 h after dark 2468.5266666666666 1941.53 2882.95