condition mean min max 1 h after light 4.149280086000001 4.0603639760000005 4.2381961960000005 3 h after light 6.482448179666667 5.409972966000001 7.985248964 5 h after light 10.494647214 8.339680532000001 11.80892726 7 h after light 12.276153383333334 11.71662979 12.56309875 9 h after light 13.943516463333333 10.82840782 15.86893962 11 h after light 13.815334406666667 11.77777691 16.10143726 1 h after dark 15.81161698 13.85713776 18.65457405 3 h after dark 18.755906236666664 16.20157745 20.03687231 5 h after dark 15.71113179 13.82348049 18.0911888 7 h after dark 15.27769462 14.79986042 15.52871676 9 h after dark 16.831627383333334 16.07844236 17.70077034 11 h after dark 16.575031600000003 11.83185794 21.412190300000002