condition mean min max 2 h after light 1416.4633333333334 1179.54 1569.02 6 h after light 1762.28 1460.65 1970.25 10 h after light 1703.06 1550.32 1787.28 2 h after dark 1619.8633333333332 1241.11 2227.43 6 h after dark 1487.2266666666667 1323.79 1620.53 10 h after dark 1530.46 1425.12 1643.13