condition mean min max 4 h after light 59.663788 49.07194 70.255636 8 h after light 42.5344315 32.739629 52.329234 12 h after light 107.7742475 42.034684 173.513811 4 h after dark 32.946571 27.312198 38.580944 8 h after dark 111.02887799999999 77.991661 144.066095 12 h after dark 71.081613 71.081613 71.081613