condition mean min max 0 h after light 6.238569999999999 6.00866 6.46848 2 h after light 12.38215 10.7322 14.0321 4 h after light 6.456965 5.69864 7.21529 8 h after light 4.88752 4.33529 5.43975 12 h after light 7.556635 6.74019 8.37308 2 h after dark 5.633185 5.02111 6.24526 4 h after dark 5.35466 4.70921 6.00011 8 h after dark 6.802505 6.49504 7.10997 12 h after dark 6.238385 5.74754 6.72923