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Panama - Climate
http://www.photius.com/countries/Panama/climate/index.html
Sources: The Library of Congress Country Studies; CIA World Factbook

      Panama has a tropical climate. Temperatures are uniformly high- -as is the relative humidity--and there is little seasonal variation. Diurnal ranges are low; on a typical dry-season day in the capital city, the early morning minimum may be 24C and the afternoon maximum 29C. The temperature seldom exceeds 32C for more than a short time.

      Temperatures on the Pacific side of the isthmus are somewhat lower than on the Caribbean, and breezes tend to rise after dusk in most parts of the country. Temperatures are markedly cooler in the higher parts of the mountain ranges, and frosts occur in the Cordillera de Talamanca in western Panama.

      Climatic regions are determined less on the basis of temperature than on rainfall, which varies regionally from less than 1.3 to more than 3 meters per year. Almost all of the rain falls during the rainy season, which is usually from April to December, but varies in length from seven to nine months. The cycle of rainfall is determined primarily by two factors: moisture from the Caribbean, which is transported by north and northeast winds prevailing during most of the year, and the continental divide, which acts as a rainshield for the Pacific lowlands. A third influence that is present during the late autumn is the southwest wind off the Pacific. This wind brings some precipitation to the Pacific lowlands, modified by the highlands of the Pen?nsula de Azuero, which form a partial rainshield for much of central Panama. In general, rainfall is much heavier on the Caribbean than on the Pacific side of the continental divide. The annual average in Panama City is little more than half of that in Colsn. Although rainy-season thunderstorms are common, the country is outside the hurricane track.

      Panama's tropical environment supports an abundance of plants. Forests dominate, interrupted in places by grasslands, scrub, and crops. Although nearly 40 percent of Panama is still wooded, deforestation is a continuing threat to the rain-drenched woodlands. Tree cover has been reduced by more than 50 percent since the 1940s. Subsistence farming, widely practiced from the northeastern jungles to the southwestern grasslands, consists largely of corn, bean, and tuber plots. Mangrove swamps occur along parts of both coasts, with banana plantations occupying deltas near Costa Rica. In many places, a multi-canopied rain forest abuts the swamp on one side of the country and extends to the lower reaches of slopes in the other.

      Data as of December 1987


      NOTE: The information regarding Pakistan on this page is re-published from The Library of Congress Country Studies and the CIA World Factbook. No claims are made regarding the accuracy of Pakistan Climate information contained here. All suggestions for corrections of any errors about Pakistan Climate should be addressed to the Library of Congress and the CIA.

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      Revised 10-Nov-04
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