condition mean min max 1 h after light 6.064724539 4.459762746 7.669686332 3 h after light 6.162356030333333 5.031051838 7.208473682999999 5 h after light 7.387059805 7.072216312999999 7.673257035 7 h after light 6.63465267 6.10849039 7.368869257999999 9 h after light 7.812852625 6.874797695 9.296144294 11 h after light 8.077505643 7.446834152 8.918881885 13 h after light 7.638973901666667 6.754148313 8.644919343 15 h after light 7.57712565 6.937147462 8.22033274 1 h after dark 8.216222184666666 6.846549681 9.525775964 3 h after dark 8.518977174 7.484626907000001 9.761835726000001 5 h after dark 8.480665280333334 7.98961056 9.41015149 7 h after dark 6.418231984 5.26166353 7.692417482000001