condition mean min max 1 h after light 6.0692199124999995 5.439355515 6.69908431 3 h after light 9.649046768 5.5200678739999995 13.23162063 5 h after light 15.21199464 11.80892726 17.32710324 7 h after light 17.469300206666666 15.90934468 19.99149959 9 h after light 18.644361503333332 17.91654473 19.32744885 11 h after light 17.223100756666668 14.95317626 19.24976298 1 h after dark 18.147638556666667 15.28057959 20.54180722 3 h after dark 15.867933126666667 14.91358594 16.82458592 5 h after dark 14.574333133333333 13.94425148 15.05909885 7 h after dark 13.21032666 12.71955875 13.54801309 9 h after dark 13.242908093333334 12.31288151 14.86864709 11 h after dark 12.252003036666666 10.96418836 13.61017764