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[at-l] Florida Climate
- Subject: [at-l] Florida Climate
- From: KellyGoVols at aol.com (KellyGoVols@xxxxxxx)
- Date: Sat Jul 19 14:26:58 2003
This is from the Florida State University Florida Climate Center:
The southern most portion of the state is generally designated as belonging
to the tropical savanna region, a climate that it shares with most of the
Caribbean islands. Sometimes also called the wet and dry tropics, tropical savanna
precipitation is highly concentrated in the warmer months.
Mean average temperatures during Florida?s coldest month (January) range from
the lower 50s in the north to the high 60s in the south. In the hottest month
(usually July but in places August) it is almost the same throughout the
entire state, between 81oF and 83oF. Although the length of daylight in Florida
during most of the year does not differ greatly from states in the north, every
day of the year the sun reaches Florida at a higher angle than farther north,
and consequently its power to heat is greater. For example, in New York City
during January the rays of the sun reach a maximum angle during the day of
about 26 degrees above the horizon, while in Miami the angle is about 40 degrees.?
In mid-summer the sun?s rays at their highest are striking New York at about
a 65 degree angle, while in Miami the sun is almost directly overhead.
Florida?s summer high temperatures can be extremely enervating, although in
the last half-century air conditioning has made life more bearable. Although in
an average year Florida experiences far fewer days when temperatures reach
above 100oF than in most other states, because Florida is among the wettest in
the nation, and its atmosphere is so humid, its summers are among the most
uncomfortable. When humidity is high, evaporation of perspiration from the skin is
inhibited, and one feels hotter than if humidity were lower. In Florida,
during the warmest time of the day relative humidity throughout the state rises
into the 50s and 60s. During the cooler hours it is higher, in the 70s and 80s.
The heat index, sometimes called the sensible temperature, takes into account
both relative humidity and actual temperature. During the height of the
summer, when most of the time the temperature is in the low 90s in mid-afternoon, it
feels about 10oF higher than the actual temperature. Fortunately the
difference between the actual and sensible temperature declines rapidly with a drop in
the actual temperature and is negligible below 80oF. Consequently, except in
the summer, humidity is not a major inconvenience.? Compared to the northern
states, during the year Florida has a far greater number of days where the
maximum temperature falls within the comfort range of between 70oF and 85oF.In the
northern part of the state it is between 125 and 150 days, and it rises above
200 days in the Tampa Bay area and along the Atlantic Coast from Melbourne
south. In the interior of the peninsula it is between 175 and 200 days.
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