condition mean min max 1 h after light 5.56650105 5.283495431 5.929214968999999 3 h after light 7.7956483389999995 6.934889629 8.880603649 5 h after light 5.7566177383333335 4.83877943 7.066081735 7 h after light 7.282976790666667 3.619906075 11.24107592 9 h after light 8.016384558666667 6.049839416 10.96483417 11 h after light 7.227333811333334 5.86877374 9.812478062 13 h after light 7.431343514333333 4.419275188 10.02250369 15 h after light 8.868110032666667 6.531535888 10.15762009 1 h after dark 7.055887498666666 5.019095587 10.11090579 3 h after dark 7.391172329 6.504371386 8.697462847999999 5 h after dark 7.246810799 4.677001107 10.44098052 7 h after dark 5.400643869 3.843720059 7.632499117