condition mean min max 1 h after light 6.276630822 4.213585258 8.339676386 3 h after light 8.812890453666666 4.854999456 11.602110699999999 5 h after light 12.100397146 6.315486227999999 18.17677795 7 h after light 13.46177024 12.04341356 15.08745971 9 h after light 15.467070150000001 12.73504426 19.87883297 11 h after light 13.999388981666666 7.229018985 21.22871057 1 h after dark 17.523014982666666 9.353567988 26.05833496 3 h after dark 15.438154269999998 10.43951016 18.24919597 5 h after dark 14.273688626333334 9.538990458999999 23.16545004 7 h after dark 15.604740696666667 13.6705538 16.98112636 9 h after dark 12.995400955666668 9.783698517000001 14.65091711 11 h after dark 15.98947048 10.05592743 23.97923209