condition mean min max 1 h after light 7.741721458 6.705497192999999 8.777945723 3 h after light 7.541315639333333 6.83229262 8.787194021 5 h after light 8.971225005 7.694927184 10.50902594 7 h after light 8.801301659 8.037487355 9.912211032 9 h after light 9.391426436666666 8.286848628 10.98925995 11 h after light 6.885969166333333 5.454522806 7.90160265 13 h after light 8.232289858666666 7.029934411 9.693453598 15 h after light 8.473293413333334 6.659805761 10.47650841 1 h after dark 8.510517428666667 8.276340909 8.945491919 3 h after dark 8.516071913333333 7.9908354710000005 9.157661156 5 h after dark 8.182461665333333 6.157335246000001 10.65281408 7 h after dark 8.866779663333334 7.31621786 9.923468531000001