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 2011
| Month | Hs (m) | Tp (s) | Tz (s) | Dirp (degrees) | TSea (degrees C) |
|---|---|---|---|---|---|
| January | 0.61 | 4.4 | 3.2 | 265 | 5.1 |
| February | 0.67 | 5.9 | 3.2 | 244 | 6.6 |
| March | 0.4 | 4 | 2.9 | 225 | 7.2 |
| April | 0.42 | 3.9 | 3 | 210 | 9.9 |
| May | 0.76 | 4.1 | 3.2 | 239 | 11.8 |
| June | 0.53 | 3.8 | 3 | 259 | 14.4 |
| July | 0.5 | 3.8 | 3 | 249 | 16.5 |
| August | 0.57 | 3.9 | 3.1 | 269 | 17 |
| September | 0.71 | 4.4 | 3.3 | 260 | 15.4 |
| October | 0.83 | 4.6 | 3.4 | 253 | 14 |
| November | 0.65 | 4.6 | 3.1 | 202 | 11.4 |
| December | 1.42 | 5.8 | 4 | 297 | 8.8 |
