National Network of Regional Coastal Monitoring Programmes
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Note that these are real-time data and are not quality-controlled. Long-range graphs are plotted from a randomised subsample of half-hourly data.
Porthleven
Average values for 2014
| Month | Hs (m) | Tp (s) | Tz (s) | Dirp (degrees) | TSea (degrees C) |
|---|---|---|---|---|---|
| January | 2.42 | 11.6 | 6.4 | 235 | 10 |
| February | 2.47 | 11.9 | 7.8 | 212 | 9.3 |
| March | 1.24 | 11.4 | 6 | 238 | 9.5 |
| April | 1.12 | 10.7 | 5.6 | 232 | 10.5 |
| May | 0.87 | 9 | 5.1 | 239 | 12.3 |
| June | 0.71 | 9.1 | 4.8 | 225 | 14.6 |
| July | 0.62 | 8.4 | 4.6 | 234 | 16.6 |
| August | 0.94 | 8 | 4.6 | 233 | 16 |
| September | 0.56 | 10.9 | 5.8 | 227 | 16.5 |
| October | 1.44 | 9.7 | 5.3 | 233 | 15.5 |
| November | 1.55 | 10.8 | 6.2 | 233 | 13.3 |
| December | 1.45 | 9.7 | 5.6 | 240 | 11.8 |
