Life in America/Weather Records
The weather forecast tells how the weather will be. A weather report shows how the weather was yesterday and how it has been today.
It never rains in Southern California
Southern California’s climate has often been described as “perfect” and with good reason. Most days are sunny and warm, with gentle ocean breezes in the summer. The humidity is low with little rain. In fact, there are no unpleasant seasons in Los Angeles.
Annual precipitation: 15 inches
Average high temperature: 74° F
Avg. sunny/partly sunny days: 292 days
Average low temperature: 56° F
Source: National Weather Service Forecast Office at noaa.gov
Fahrenheit or Celsius?
Daniel Fahrenheit was the German physicist who invented the alcohol thermometer in 1709 and the mercury thermometer in 1714. In a mercury or alcohol thermometer, the liquid expands as it is heated and contracts when it is cooled, so the length of the liquid column is longer or shorter depending on the temperature.
In 1724, he introduced the standard temperature scale that bears his name—Fahrenheit scale—that was used to record changes in temperature in an accurate fashion. Fahrenheit based his temperature scale on the temperature of the human body which he put on 100 degrees. Zero degrees was based on the temperature of an equal mixture of water, ice, and salt.
In 1742, the Celsius scale was invented by Swedish Astronomer Anders Celsius. The Celsius temperature scale is also referred to as the "centigrade" scale. Centigrade means "divided into 100 degrees." The Celsius scale has 100 degrees between the freezing point (0 degrees) and boiling point (100 degrees) of pure water at sea level air pressure.
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What's the weather like?
Find the correct words.
Look, the sun is shining! It's sunny! The weather is nice!
There's strong wind blowing - It's very windy.
That's perfect weather for flying a kite.
Look, there's a dark cloud in the sky. The weather isn't nice anymore.
Soon (bald) it's raining.
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