On July 4, 1776, when the Declaration of Independence was adopted, the comfort of the Philadelphia weather was noteworthy. Despite the world-changing event on that Thursday, Jefferson was able to What you might not realize is that July 4, 1776, was an unseasonably mild mid-summer day in usually hot and humid Philadelphia. Thomas Jefferson, one of the country's founding fathers and its third president, kept an extensive weather journal throughout his life. On July 4, Jefferson noted that the weather conditions in Philadelphia were cloudy with a high temperature of 76°F. For the next 50 years, he kept a meticulous weather journal. He recorded daily temperature data wherever he was – at home in Virginia or while traveling. Caption: A page from Thomas Jefferson's Weather Memorandum Book showing his temperature observations for the first two weeks in July 1776. He recorded a temperature of 76 degrees at 1:00 p.m. on July 4, the day the Declaration of Independence was adopted. Jefferson and Pemberton agreed that the afternoon temperature in Philadelphia on July 4th, 1776, was 76 degrees F. Jefferson observed increasing clouds, while Pemberton found it cloudy with Independence Day, commonly known as the Fourth of July, is a federal holiday in the United States which commemorates the ratification of the Declaration of Independence by the Second Continental Congress on July 4, 1776, establishing the United States of America. On July 4, 1776, the Declaration of Independence was signed signifying our independence from Great Britain. Thomas Jefferson drafted this historical document but he also kept weather logs. You are here Home > Weather in History 1750 to 1799 AD On July 4, 1776, the Declaration of Independence was signed signifying our independence from Great Britain. Thomas Jefferson drafted this historical document but he also kept weather logs. The clear sky and light north wind on the morning of July 4 was indicative of a high-pressure system approaching the area. In Philadelphia, the wind shifted to the southwest in the afternoon. On July 4, 1776, Thomas Jefferson awoke to a cool Philadelphia summer morning: it was 20°C (68°F) at 6 am. In fact, we know the daily temperature where Jefferson was staying for almost every day of his adult life, thanks to his meticulous weather journals. Logs like these offer a glimpse of weather conditions in the recent past. But historic weather records are spotty and cannot tell us much What's the weather like in Louisville during 4th of July weekend? With sunny skies, locals should be able to enjoy most of Louisville's Fourth of July festivities. See the full outlook. A few revolutionary footnotes When the Continental Congress convened on July 4, 1776, Thomas Jefferson's diary shows a high of 76° under cloudy skies--more spring-like than summer-sweltering. On the Fourth of July in 1776, Jefferson recorded a low temperature of 68 degrees at 6 a.m., with clear skies and light northerly winds. By 9 a.m., it had warmed up to 72 degrees On July 4, 1776, Jefferson, in Philadelphia, recorded a 6:00 AM temperature of 68 degrees Fahrenheit, and a 1:00 PM temperature of 76 degrees Fahrenheit. He recorded no rain on that date. We celebrate American Independence Day in the United States on the Fourth of July every year. We think of July 4, 1776, as a day that represents the Declaration of Independence and the birth of the United States of America as an independent nation. On July 4th, 1776, Thomas recorded temperatures 4 times throughout the day (despite what we can only assume was a very busy and emotional day). Another Philadelphia man by the name of Phineas July 4 events, cautions and trivia The Patriotic Skies event is set for Friday at Tuscawilla Park but keep an eye on the weather. Here’s what the original colonies and territories were feeling – weather-wise – on that historic day. Philadelphia is, on average, hot and humid in July. However, the day the Declaration of Independence was signed, it was a comfortable 76 degrees around 1 p.m., thanks to a north wind. Philadelphia July 4, 1776, weather: What was it like when the US declared independence? Logs of weather observations from the 18th century can help us paint a picture of the weather on the nation's first Independence Day.
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