Saturday, March 10, 2012

Chapter 2- Kauai's Climate and Environment


Kauai is known for it’s superior climate features. They include the composed temperatures from day to day as well as season to season, the persistent northeasterly trade winds and the marked variation in rainfall from the wet to the dry season and place to place. 
The average temperature of Kauai’s winter is 75 degrees, while the average is 85 during summer.  The range in normal temperatures from the coolest month, February, to the warmest month, August, is less than 8 degrees. The daily range in temperature is also small, less than a 15-degree difference between day and night.  

The trade winds blow across the island during most of each year and the dominance of these winds has marked influence on the climate of the area. Completely cloudless skies are quite rare. On the average, clouds cover six tenths to seven tenths of the sky during the daylight hours. Trade wind showers are relatively common. Although heavy at times, most of the showers are light, at night and of short duration. The frequency and intensity of the showers increase toward the mountains to the west. Mount Waialeale receives 486 inches annually, the highest recorded annual average in the world. Mount. Waialeale has recorded annual rainfalls in excess of 620 inches.

Normal annual rainfall is over 40 inches. Three-fourths of this total, on the average, falls during the seven month wet season, which extends from October through April. Widespread rainstorms, which account for much of the precipitation, occur most frequently during this period. Normal precipitation in January, the wettest month, is over 6 inches.  The dry season includes the months of May through September. June, the driest month, receives only about 1.5 inches of rain, on average.

Hurricanes and other severe windstorms are quite rare. Strong winds do occur at times in connection with storm systems moving through the area, but seldom cause extensive damage.  Relative humidity, moderate to high in all seasons, is slightly higher in the wet season than in the dry.  During periods when the temperature and humidity are both high, the weather is seldom domineering.  This is due to the trade winds, which provide a system of natural ventilation during most of each year.

From sand dunes to bare desert plateaus, fertile river valleys, foothills, tropical rainforests and awe-inspiring mountain tops, Kauai is an exceptional geographical subject.  Kauai is the oldest island in the chain making it one of the most beautiful and diverse of the Hawaiian Islands. Nicknamed the Garden Island for its lush vegetation and abundant rainfall, Kauai is home to many indigenous plants and wildlife. The island of Kauai is circular in shape and covers approximately 550 square miles.  There are 69 beaches, which offers more beach per mile of coastline than the other Hawaiian islands.  The highest peak is Kawaikini Peak, with an elevation of 5,243 feet.  It is located in the center of Kauai and is surrounded by dense, swampy forests and steep cliffs.  

Some of the more spectacular physical geographical features include the Napali Coast and the Waimea State Park.  The Napali Coast has breath taking views that include razor sharp cliffs that rise sharply from sea to heights of 4,000 feet, enchanting hanging valleys, sea caves, lush green valleys and cascading waterfalls that travel to the sea from thousands of feet above.  Waimea Canyon State Park is a 1o mile stretch, a mile wide and more than 3,500 feet deep.  It contains more than 45 miles of trail and over 4,300 acres of land.  With its great climate and beautiful features, Kauai is one of the most remote places on Earth.

Kauai got it’s nickname from it’s varieties of exotic flowers, trees, fruits and other plant life.  The exotic vegetation is what attract visitors to the island.  The official flower of Kauai is the Mokihana.  Despite it being the island flower, it is actually a green berry found in the rainforests of Kauai.  The variations of trees on the island include the Candle Nut Tree, the Banyan Tree and the Royal Poinciana Tree.  The Candle Nut Tree is found all over Kauai.  It grows over 100 feet tall and produce small white flowers that are used in leis.  Kauai is also home to many fruit bearing trees such as avocados, bananas, mangos and guavas.  In fact, guavas are a leading crop in the agricultural industry.  Food plants grown commercially or in backyards for home consumption include sugarcane, pineapples, papayas, lichee, coconuts, breadfruit, macadamia nuts, limes, passion fruit, taros, and tamarinds.  The entire island of Kauai is a botanical garden that developed overtime by wind, animals and people.  Today, some plants have adjusted to Kauai’s unique climate and created new plant lineages. 







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