Signal de Botrange signal and the house Baraque Michel. Signal de Botrange experiences stronger winds than the centre of Belgium. Average and extreme temperatures are usually lower than at any other place in Belgium: the minimum temperature recorded (-25.6 °C) does not, however, exceed the absolute record (-30.1 °C), observed in the valley of the Lomme, at Rochefort during a temperature inversion. In winter, for three months, on average, the average temperature remains below 0 °C. Rainfall is much greater than most of the rest of the country, at an annual average of 1450 mm compared with 800 mm in Uccle. Rainfall is
Geography of the European Netherlands (Nieuwerkerk aan den IJssel) , "below" sea level. "highest point on European mainland:" Vaalserberg above sea level. "highest point (including the Caribbean islands):" Mount Scenery on Saba above sea level. Natural resources: natural gas, petroleum, peat, limestone, salt, sand and gravel, arable land Land use: (2011) "arable land:" 25.08% "permanent crops:" 0.88% "other:" 74.04% Irrigated land (2007): Total renewable water resources (2011): Natural hazards: flooding by sea and rivers is a constant danger. The extensive system of dikes, dams, and sand dunes protect nearly one-half of the total area from being flooded during the heavy autumn storms from the north-west.