condition mean min max 4 h after light 1263.6388886666666 1083.993333 1415.113333 8 h after light 1463.99 1303.816667 1610.873333 12 h after light 1823.0044446666666 1578.88 2143.806667 1.5 h after dark 1412.637778 1314.64 1464.636667 5.5 h after dark 1019.811111 774.82 1154.983333 9.5 h after dark 918.9144444666666 766.7066667 1115.81