condition mean min max 4 h after light 1509.441 1503.2089999999998 1517.224 8 h after light 2092.5063333333333 1788.342 2268.993 12 h after light 2119.653 1678.3829999999998 2759.527 16 h after light 2466.474 2209.382 2800.074 4 h after dark 2485.2823333333336 2269.452 2674.978 8 h after dark 1419.4666666666667 1149.11 1601.046