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with temperatures mostly below average. A ridge of high pressure brought a dry sunny day on the 8th with 8.1 hours of sunshine at Valley (Gwynedd), followed by a widespread frost overnight 8th/9th, when the temperature fell to -5.7 °C at St Harmon (Powys). Further rain spread eastwards across

on coasts, with 16.0 hours of sunshine at Valley (Gwynedd) on the 3rd. The 4th and 5th were also mostly very warm and sunny but cloud developed on both a ernoons with very isolated thundery showers. It remained very warm and sunny between the 6th and 9th, though cooler near coasts with some coastal low

delays and cancellations. Some flights to Gatwick were diverted to alternative airports, and fire services rescued a number of drivers that had driven into floodwater. In Wales, the roof of a primary school at Maerdy in the Rhondda Valley blew off in the strong winds. After a quieter spell, the last

hours of sunshine at Valley (Anglesey) and Aberporth (Dyfed) on the 17th. 19th to 26th Easterly winds brought scattered showers into eastern areas on the 19th and 20th and persistent rain spread from the south-east on the a ernoon of the 20th, following a sunny start in the south-west. It was cold

other landslips blocked roads and rail lines. There were a number of surface water incidents around Pembrokeshire, and flooding affected trains on the South Wales Valleys lines. Fallen trees and flooding blocked roads, including the A465, A5, and A40. Around 1000 homes were le without power

in and around the valley heads. The rail line between Pontypridd and Aberdare was reported closed by flooding but was able to reopen on the morning of the 24th. After further rain on the 24th to 26th the month ended dry and sunny for many as high pressure returned to provide a settled end to winter

in the Valleys, with road closures and flooded rail lines, and power outages in the Newport area, possibly linked to strong winds. Reports of localised property flooding were received from Rhondda Cynon Taff borough. The River Severn in the south-west Midlands overtopped in several places

weather to most of the country. In Wales strong winds led to the closure of the M48 Severn Bridge, A548 Flintshire Bridge and the A55 in Holyhead. There were fallen trees on some roads and railways with bus replacement services put in place on the Conwy Valley line. Over 2000 properties experienced

et al. (2003) compared 23 methods for interpolating annual mean temperature and precipitation over the Ebro Valley in Spain. They concluded that multipleregression techniques, using several geographic and topographic variables, produce the most realistic results. In the current study we develop

in the north, with Valley (Gwynedd) recording 9.4 hours of bright sunshine. The 16th was cloudy but mainly dry. 17th to 25th The 17th was a dull day, with outbreaks of rain and drizzle almost anywhere, especially in the morning, but brightening up in the south late in the day. Rain spread east to all parts