 |

Monthly Mean Sea Surface Temperatures
| Month |
North Point (1975-2004) |
Waglan Island (1961-1990) |
| (a.m.) |
(p.m.) |
Mean |
(a.m.) |
(p.m.) |
Mean |
| Jan |
17.5 |
17.7 |
17.6 |
17.1 |
17.3 |
17.2 |
| Feb |
16.7 |
17.0 |
16.9 |
16.3 |
16.4 |
16.4 |
| Mar |
17.9 |
18.2 |
18.1 |
17.3 |
17.5 |
17.4 |
| Apr |
20.9 |
21.3 |
21.1 |
20.3 |
20.5 |
20.4 |
| May |
24.5 |
25.0 |
24.8 |
24.5 |
24.8 |
24.6 |
| Jun |
26.5 |
26.9 |
26.7 |
26.6 |
26.9 |
26.8 |
| Jul |
26.6 |
27.1 |
26.9 |
27.4 |
27.7 |
27.6 |
| Aug |
26.5 |
27.0 |
26.8 |
27.3 |
27.6 |
27.5 |
| Sep |
27.1 |
27.5 |
27.3 |
27.4 |
27.7 |
27.6 |
| Oct |
26.3 |
26.6 |
26.5 |
26.3 |
26.5 |
26.4 |
| Nov |
23.4 |
23.6 |
23.5 |
23.4 |
23.5 |
23.4 |
| Dec |
19.8 |
20.0 |
19.9 |
19.5 |
19.7 |
19.6 |
|