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 2012
| Month | Hs (m) | Tp (s) | Tz (s) | Dirp (degrees) | TSea (degrees C) |
|---|---|---|---|---|---|
| January | 1.04 | 4.8 | 3.6 | 252 | 7.5 |
| February | 0.66 | 4.2 | 3.2 | 253 | 5.7 |
| March | 0.46 | 4.5 | 3.1 | 262 | 7.5 |
| April | 0.77 | 4.3 | 3.3 | 237 | 9 |
| May | 0.49 | 3.9 | 3 | 220 | 11.1 |
| June | 0.53 | 4 | 3 | 209 | 13.8 |
| July | 0.53 | 3.8 | 3 | 257 | 15.6 |
| August | 0.43 | 4.1 | 2.9 | 232 | 16.7 |
| September | 0.86 | 4.6 | 3.4 | 280 | 15.5 |
| October | 0.69 | 4.5 | 3.2 | 240 | 12.6 |
| November | 0.81 | 4.5 | 3.3 | 267 | 9.5 |
| December | 0.92 | 4.8 | 3.5 | 260 | 7.2 |
