| ID | No. of tree rings | G value | Outermost annual ring | Bark | Death year / season | |
|---|---|---|---|---|---|---|
| JCBKD02 | 80 | 4.8 | 76 | LW | B | 2014 / late summer–autumn |
| JCBKD04 | 89 | 4.9 | 64 | LW | B | 2013 / late summer–autumn |
| JCBKD05 | 90 | 1.6 | 71 | EW | B | 2012 / spring–early summer |
| JCBKD06 | 82 | 6.1 | 67 | EW | – | 2003 / – |
| JCBKD07 | 55 | 1.3 | 61 | EW | B | 2013 / spring–early summer |