condition mean min max 3 h after light 1.4256533333333334 1.08548 1.6142 6 h after light 2.3262899999999997 2.07817 2.77112 9 h after light 3.1737766666666665 2.59521 3.46896 12 h after light 4.968083333333333 3.76664 6.38615 3 h after dark 7.0602 6.06508 8.64553 6 h after dark 4.994293333333333 3.90974 5.86389 9 h after dark 2.70014 1.29811 3.74426 12 h after dark 1.6612099999999999 1.04461 2.22848