| Location | Value |
| Location | Value |
| Marion Island | 0.08" |
| Location | Value |
| Marion Island | 0.28" |
| Lansdowne | 0.16" |
| Parkwood | 0.16" |
| Plumstead | 0.16" |
| Cape Point | 0.16" |
| Athlone | 0.16" |
| Constantia | 0.16" |
| Grassy Park | 0.16" |
| Hanover Park | 0.16" |
| Location | Value |
| Marion Island | 0.28" |
| Gough Island | 0.12" |
| Location | Value |
| Gough Island | 0.51" |
| Marion Island | 0.32" |
| Tristan Da Cunha | 0.24" |
| Parkwood | 0.16" |
| Plumstead | 0.16" |
| Constantia | 0.16" |
| Grassy Park | 0.16" |
| Lansdowne | 0.16" |
| Lavender Hill | 0.16" |