temperature and humidity how hot is really
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Want to know how hot it really feels outside? Turn to the Heat Index, not the thermometer For example, if the air temperature is 96 degrees Fahrenheit, and the relative humidity is 65%, the Heat Index is 121 degrees Fahrenheit. Alerts are issued by the National Weather Service when the Heat Index rises above 105 degrees to 110 degrees for at least two consecutive days.
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Feels-Like Temp Reaches 164 Degrees in Iran, 159 in Iraq; Days Off Ordered as Mideast Broils in Extreme Heat Wave Mahshahr has been on a bit of a cooling trend since then; the heat index peaked at 155 F (68 C) on Saturday and 142 F (61 C) Sunday. Monday's heat index there actually peaked before sunrise, when the actual temperature of 93.2 F (34 C) felt like 130 F (55 C). After sunrise, lower humidity levels took the heat index down into the 120s. Several other locations, however, have joined in the misery.
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What Is Humidity? If the temperature outside is 75° F (23.8° C), humidity can make it feel warmer or cooler. A relative humidity of 0% would make it feel like it's only 69° F (20.5° C). On the other hand, a relative humidity of 100% would make it feel like it's 80° F (26.6° C).
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- Humidity is a term that everyone uses, but technically speaking, not always accurately. We sometimes assume air is at high humidity when we are uncomfortably warm. Sometimes we are not aware of high humidity when the air is cool around 70°F. Personal comfort varies depending on one’s health, clothing, activity level as well as the air conditions and velocity around a person.
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- During the summer, if it is in the 90-95 range it can get pretty humid, however the humidity is always low when it is 100 or above. 04-19-2007, 04:54 AM.
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The countries that will be so hot by 2100 humans wonât be able to go outside With 50 per cent humidity, it would take a base temperature of 45C to reach those sorts of heat index levels. But crank the humidity up to 100 per cent, and it starts to feel like 77C when the mercury hits 35C. “You can go to a wet sauna and put the temperature up to 35 (Celsius or 95 degrees Fahrenheit) or so.
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Australian weather and seasons â a variety of climates It is hotter than the dry season, with temperatures between 30 and 50 degrees Celsius. This is because of the high humidity during the wet, which is caused by large amounts of water in the air. During the wet there is a lot of rain, which frequently causes flooding.
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- A humidity level of about 45 percent is considered comfortable outdoors. Levels of humidity can vary from place to place. Humidity levels change according to seasons. Winters are dry and humidity is high in the summer.
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Want to know how hot it really feels outside? Turn to the Heat Index, not the thermometer But when the humidity is high and there is more moisture in the air, it becomes less easy for you to evaporate moisture from your skin. And it’s a lot harder for you to cool yourself.”. With an 11 a.m. temperature of 93 degrees Fahrenheit and a humidity of 42%, the Heat Index in New York City this morning was 96.
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What is relative humidity and how does it affect how I feel outside? If the air is at 100-percent relative humidity, sweat will not evaporate into the air. As a result, we feel much hotter than the actual temperature when the relative humidity is high. If the relative humidity is low, we can feel much cooler than the actual temperature because our sweat evaporates easily, cooling ­us off.
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10 Reasons Why Ideal Home Humidity Levels Prevent Sickness and High Costs In the summer months, it has been noted that the relative humidity level should be no more than 60 % and in the winter months about 20%+. These numbers are assuming that there is a constant indoor temperature of 68 – 75 degrees throughout the winter months and 72 – 79 degrees during the summer months.
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Best air conditioning temperature A big part of what makes hot weather uncomfortable is humidity; if the air conditioner is running, even at a higher temperature setting, it will remove humidity and maintain some degree of comfort. A temperature of 90F at 80% relative humidity outside will feel a lot hotter than 90F at 50% relative humidity inside. big part of what makes hot weather uncomfortable is humidity; if the air conditioner is running, even at a higher temperature setting, it will remove humidity and maintain some degree of comfort. A temperature of 90F at 80% relative humidity outside will feel a lot hotter than 90F at 50% relative humidity inside.
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- 1 A hot summer day in Sacramento would be close to 100 degrees Fahrenheit, or 38 degrees Celsius. 2  A comfortable room temperature would be around 70 degrees Fahrenheit, or 21 degrees Celsius.  A pot of boiling water is 212 degrees Fahrenheit, or 100 degrees Celsius.
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What is the ideal indoor temperature and humidity? 73-79F @40-60% relative humidity in the Summer. 75 degrees F <br /> OK that's fine for temperature but what is the ideal room humidity percentage? <br /> Actually, most building codes only require you at keep the temperature at 68 degrees, which is ideal.
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- Even when actual temperatures level off, the heat index -- or how hot it will actually feel -- will likely remain above 100 degrees through Thursday as increasing moisture makes the human body feel hot, Hoffer added.
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- It depends on the relative humidity and temperature of the ambient air. For example, under the temperature of 35 °C and the relative humidity of outside air 50%, the air in the premises will be cooled to 28.5 ° C (drop of temperature for 6.5 °C). Under the temperature of outside air 45 °C and relative humidity of outside air 30%, the air in the premises will be cooled to 32.5 °C (drop of the temperature for 12.5 °C).
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Basics of humidity The more moisture that is in the air, the warmer it will feel. Air with a temperature of 70 degrees Fahrenheit and 10 percent humidity will feel like 67 degrees, but with 50 percent humidity, it will feel like it is 69 degrees.
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- See it again. To say that last year was hot is an understatement. It was 1.69 degrees Fahrenheit (0.94 Celsius) warmer than the 20th century average, according to National Oceanic and Atmospheric Administration figures released on Wednesday.
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What is the ideal indoor temperature and humidity? 75 degrees F. OK that's fine for temperature but what is the ideal room humidity percentage? Actually, most building codes only require you at keep the temperature at 68 degrees, which is ideal. The ideal room humidity percentage is usually around 50%.
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Heat index For example, when the temperature is 32 °C (90 °F) with 70% relative humidity, the heat index is 41 °C (106 °F). This heat index temperature has an implied (unstated) humidity of 20%. This is the value of relative humidity for which the heat index formula indicates 41 °C feels like 41 °C. A heat index temperature of 32 °C has an implied relative humidity of 38%. The human body normally cools itself by perspiration, or sweating.
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Heat index For example, at 80°F (approximately 27°C), the heat index will agree with the actual temperature if the relative humidity is 45%, but at 110°F (roughly 43°C), any relative-humidity reading above 17 % will make the Heat Index higher than 110°F.
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- The climate of warm-humid zones is characterized by high rainfall and high humidity. The temperature range is relatively high at around 30 - 35°C and is fairly even during the day and throughout the year. Due to minimal temperature differences, winds are light or even non-existent for longer periods.
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The Dew Point Temperature...a better approach So when you hear someone say its feels worse than 52% relative humidity today, they do not understand the concept of RELATIVE HUMIDITY because 92°F and 52% is a very humid afternoon. Because the concept is confusing (even many TV meteorologists do not understand it) a better measuer is the dew point temperature.
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- The heat index (see chart below) is the feels like, or apparent, temperature. As relative humidity increases, the air seems warmer than it actually is because the body is less able to cool itself via evaporation of perspiration. As the heat index rises, so do health risks. When the heat index is 90°-105°F, heat exhaustion is possible. When it is above 105°F, it is probable. Heatstroke is possible when the heat index is above 105°F, and very likely when it is 130°F and above. Physical activity and prolonged exposure to the heat increase the risks.
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Baghdad, Iraq, Is Hottest City in World With Temperatures at 120 Degrees The temperature has been so relentlessly hot this week that the government imposed a four-day mandatory holiday beginning Thursday and urged residents to stay out of the sun. At its most brutal, the so-called feels-like temperature has hit a staggering 159 degrees Fahrenheit, according to The Weather Channel.