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Porthmadog (52° 55' N/4° 07' W)
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| Tu 01 | We 02 | Th 03 | Fr 04 | Sa 05 | Su 06 | Mo 07 | Tu 08 | We 09 | Th 10 | Fr 11 | Sa 12 | Su 13 | Mo 14 | |
| Tmin (°C) | 9 | 10 | 4 | 5 | 10 | 12 | 13 | 11 | 9 | 8 | 9 | 7 | 8 | 8 |
| Tmax (°C) | 14 | 16 | 15 | 15 | 15 | 17 | 16 | 16 | 15 | 12 | 13 | 12 | 13 | 13 |
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| a.m. | NE 2 | NE 2 | E 1 | S 2 | S 3 | SW 2-3 | SW 2-3 | SE 2 | NE 1-2 | SE 3 | E 3-4 | S 4 | NW 3-4 | SE 3 |
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| N 2 | NE 2 | SE 1 | S 2-3 | S 3 | SW 2 | SW 2-3 | SE 2 | NE 2 | E 2-3 | S 3 | S 4 | N 3-4 | NW 3 | |
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| NE 2 | E 1-2 | E 1 | S 2 | SW 2-3 | SW 2-3 | SW 2 | NE 1 | NE 1-2 | E 3 | NE 3-4 | S 3-4 | NW 2-3 | NW 3 | |
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| Precipitation (mm) | 3.7 | 0 | 0 | 0 | 9.6 | 10.1 | 13.8 | 5.1 | 1.8 | 20.5 | 17.3 | 12 | 5.1 | 7.9 |
| Rain risk | 40 % | 25 % | 5 % | 20 % | 65 % | 55 % | 65 % | 55 % | 45 % | 75 % | 65 % | 55 % | 55 % | 65 % |
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| Sunshine hours (hrs) | 0.6 | 2.9 | 8.0 | 2.3 | 0.6 | 0.0 | 0.6 | 0.0 | 1.1 | 0.5 | 1.6 | 2.2 | 1.1 | 0.5 |
| UV index | 2 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 2 | 2 |
| Sunrise Sunset |
07:19 18:52 |
07:21 18:50 |
07:22 18:48 |
07:24 18:45 |
07:26 18:43 |
07:28 18:40 |
07:29 18:38 |
07:31 18:36 |
07:33 18:33 |
07:35 18:31 |
07:36 18:29 |
07:38 18:27 |
07:40 18:24 |
07:42 18:22 |
Last updated: Mon 30 Sep 17:24 EDT
(Wind Speed in Bft)
Wind data for guidance only, actually gusts may be considerably higher than those shown.
