condition mean min max 4 h after light 11.292871 10.757128 11.828614 8 h after light 11.816607999999999 11.789594 11.843622 12 h after light 11.385966 11.311203 11.460729 4 h after dark 9.717996 8.948263 10.487729 8 h after dark 9.954901 9.035552 10.87425 12 h after dark 14.767982 14.767982 14.767982