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.
Penzance
Average values for 2019
| Month | Hs (m) | Tp (s) | Tz (s) | Dirp (degrees) | TSea (degrees C) |
|---|---|---|---|---|---|
| January | 0.47 | 10.2 | 4.6 | 185 | 10.6 |
| February | 0.98 | 9.8 | 4.6 | 186 | 9.8 |
| March | 0.77 | 10.4 | 4.7 | 183 | 10.4 |
| April | 0.71 | 8.3 | 4.3 | 178 | 11.1 |
| May | 0.41 | 8.3 | 4.4 | 178 | 12.6 |
| June | 0.47 | 6.5 | 3.9 | 174 | 14.1 |
| July | 0.37 | 7.4 | 3.9 | 174 | 17 |
| August | 0.58 | 6.3 | 3.9 | 183 | 16.8 |
| September | 0.59 | 7.5 | 4.2 | 182 | 15.8 |
| October | 0.87 | 8.5 | 4.6 | 182 | 14.5 |
| November | 0.89 | 10.1 | 4.7 | 184 | 12.3 |
| December | 1.15 | 9.2 | 4.8 | 187 | 11 |
