condition mean min max 1 h after light 6.388804938 6.374441041 6.403168835 3 h after light 6.99231749 5.213348912 9.497238982999999 5 h after light 6.707197387333333 4.799051942 10.02155814 7 h after light 11.578876503333333 6.35412245 15.99698749 9 h after light 13.367868879333333 8.579174538 17.10328607 11 h after light 16.48866942 10.50257878 19.82275549 13 h after light 15.551252901 7.163647902999999 20.68518285 15 h after light 15.702170893333333 13.33451584 17.29627894 1 h after dark 17.775437976666666 16.847595499999997 19.46622397 3 h after dark 19.889384573333334 18.18861293 21.35026611 5 h after dark 17.118179516666668 12.17506758 20.7675187 7 h after dark 19.798411913333332 18.30257664 22.05390533