condition mean min max 4 h after light 375.8143535 105.308982 646.319725 8 h after light 575.956092 433.071564 718.84062 12 h after light 270.279702 96.983508 443.575896 4 h after dark 129.825056 78.219959 181.430153 8 h after dark 55.2752325 44.307518 66.242947 12 h after dark 33.167534 33.167534 33.167534