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.
Rhyl Flats
Average values for 2014
| Month | Hs (m) | Tp (s) | Tz (s) | Dirp (degrees) | TSea (degrees C) |
|---|---|---|---|---|---|
| January | 0.75 | 4.5 | 3.3 | 227 | 7.4 |
| February | 0.94 | 5 | 3.5 | 252 | 6.9 |
| March | 0.68 | 4.8 | 3.3 | 243 | 7.9 |
| April | 0.39 | 3.9 | 2.9 | 208 | 8.9 |
| May | 0.52 | 3.9 | 3.1 | 210 | 12.4 |
| June | 0.42 | 3.8 | 3 | 244 | 15.5 |
| July | 0.44 | 3.5 | 2.9 | 240 | 17.8 |
| August | 0.82 | 4.3 | 3.4 | 259 | 17.3 |
| September | 0.39 | 3.7 | 2.8 | 218 | 16.8 |
| October | 0.79 | 4.4 | 3.2 | 228 | 14.4 |
| November | 0.57 | 3.8 | 3 | 185 | 11.4 |
| December | 1.24 | 5.4 | 3.8 | 290 | 9.4 |
