condition mean min max 4 h after light 10.79787 10.685880000000001 10.94962 8 h after light 10.76158 10.64171 10.88856 12 h after light 10.647436666666666 10.53887 10.77411 4 h after dark 10.63654 10.53658 10.82952 8 h after dark 10.493693333333333 10.35717 10.74136 12 h after dark 10.360256666666666 10.19922 10.474689999999999