MONTHLY CLIMATOLOGICAL SUMMARY for MAY. 2004 NAME: Ferryhill CITY: Ferryhill STATE: Co. Durham ELEV: 394 feet LAT: 54deg 41min N LONG: 1deg 33min W TEMPERATURE (°C), RAIN (mm), WIND SPEED (mph) HEAT COOL AVG MEAN DEG DEG WIND DOM DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR ------------------------------------------------------------------------------------ 1 10.5 14.6 16:00 7.6 7:00 5.0 0.0 0.0 0.0 0.0 1:00 --- 2 12.6 20.1 16:00 5.7 7:00 3.8 0.9 0.0 0.0 0.0 1:00 --- 3 10.3 13.8 15:00 7.8 24:00 5.2 0.0 0.2 0.0 0.0 1:00 --- 4 8.5 13.0 16:00 5.9 6:00 7.0 0.0 4.0 0.0 0.0 1:00 --- 5 7.9 10.6 14:00 6.1 4:00 7.6 0.0 5.6 0.0 0.0 1:00 --- 6 9.9 14.9 18:00 6.3 6:00 5.6 0.0 0.0 0.0 0.0 1:00 --- 7 9.5 13.7 17:00 5.7 6:00 6.0 0.0 2.2 0.0 0.0 1:00 --- 8 10.4 12.4 14:00 8.9 1:00 5.1 0.0 0.8 0.0 0.0 1:00 --- 9 11.2 13.2 20:00 9.3 5:00 4.3 0.0 0.0 0.0 0.0 1:00 --- 10 12.3 16.7 17:00 9.8 24:00 3.4 0.1 0.8 0.0 0.0 1:00 --- 11 9.9 10.9 16:00 9.1 7:00 5.6 0.0 0.2 0.0 0.0 1:00 --- 12 10.6 13.5 17:00 8.2 24:00 4.9 0.0 0.0 0.0 0.0 1:00 --- 13 12.4 18.1 16:00 7.0 7:00 3.5 0.4 0.0 0.0 0.0 1:00 --- 14 15.3 19.8 17:00 11.7 5:00 1.4 1.2 0.0 0.0 0.0 1:00 --- 15 15.8 20.1 16:00 10.6 6:00 1.2 1.5 0.0 0.0 0.0 1:00 --- 16 16.6 23.4 17:00 10.8 6:00 1.2 2.2 0.0 0.0 0.0 1:00 --- 17 14.4 17.8 15:00 10.6 6:00 1.7 0.6 0.0 0.0 0.0 1:00 --- 18 13.9 19.2 15:00 8.8 6:00 2.4 0.8 0.0 0.0 0.0 1:00 --- 19 14.5 18.2 17:00 10.9 24:00 1.5 0.5 0.0 0.0 0.0 1:00 --- 20 11.3 15.4 14:00 8.5 24:00 4.2 0.0 3.6 0.0 0.0 1:00 --- 21 9.2 11.7 17:00 7.7 5:00 6.3 0.0 1.4 0.0 0.0 1:00 --- 22 10.4 15.3 18:00 5.8 6:00 5.1 0.0 0.0 0.0 0.0 1:00 --- 23 13.2 19.4 17:00 7.9 6:00 3.1 0.8 0.0 0.0 0.0 1:00 --- 24 13.0 17.7 15:00 8.1 6:00 2.8 0.3 0.0 0.0 0.0 1:00 --- 25 10.8 13.0 16:00 7.8 24:00 4.7 0.0 0.0 0.0 0.0 1:00 --- 26 10.4 15.6 16:00 5.6 6:00 5.1 0.0 0.0 0.0 0.0 1:00 --- 27 11.8 17.6 16:00 7.2 6:00 3.9 0.2 0.0 0.0 0.0 1:00 --- 28 12.0 16.8 16:00 5.9 6:00 3.7 0.2 0.2 0.0 0.0 1:00 --- 29 14.2 17.3 17:00 10.9 24:00 1.5 0.1 0.0 0.0 0.0 1:00 --- 30 13.2 18.9 13:00 9.5 6:00 2.5 0.3 0.2 0.0 0.0 1:00 --- 31 13.9 19.8 15:00 8.6 4:00 2.4 0.8 0.0 0.0 0.0 1:00 --- ------------------------------------------------------------------------------------- 11.9 23.4 16 5.6 26 121.7 11.0 19.2 0.0 0.0 1 --- (+1.8) (39%) Max >= 32.0: 0 Max <= 0.0: 0 Min <= 0.0: 0 Min <= -18.0: 0 Max Rain: 5.60 ON 5/05/04 Days of Rain: 7 (> .2 mm) 4 (> 2 mm) 0 (> 20 mm) Heat Base: 15.5 Cool Base: 15.5 Method: Integration Overall quite dry, warm, and sunny after an unsettled start. The deepest May depression for over 60 years (since 1943) crossed the country on the 4-5th, with a low of 971 mbars. A warm spell midmonth, unusual in that the warm air comes down from the north, from Scandinavia, leading to 20.6C at Altnaharra on the 9th, 24.3C at Peebles on the 10th, and 20.3C at Baltasound, Unst, Shetland, on the 8th, a new record for Shetland for the first half of May. Much of the rest of the month was anticyclonic. The highest temperatures came on the 17th and 19th in the London area, with 25C. Along with some warm days there were some cool nights: - it was -4C at Kinbrace (Sutherland) on the 27th. Many places in the southwest saw no rain between the 6th and 27th inclusive.