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  2. Humidity - Wikipedia

    en.wikipedia.org/wiki/Humidity

    High humidity can often have a negative effect on the capacity of chemical plants and refineries that use furnaces as part of a certain processes (e.g., steam reforming, wet sulfuric acid processes). For example, because humidity reduces ambient oxygen concentrations (dry air is typically 20.9% oxygen, but at 100% relative humidity the air is ...

  3. Carburetor icing - Wikipedia

    en.wikipedia.org/wiki/Carburetor_icing

    The venturi effect can reduce the air temperature by 39 K; 39 °C (70 °F). In other words, air at an outside temperature of 38 °C (100 °F), can drop to −1 °C (30 °F) in the carburetor. Carburetor icing most often occurs when the outside air temperature is below 21 °C (70 °F) and the relative humidity is above 80 percent. [1]

  4. Heat index - Wikipedia

    en.wikipedia.org/wiki/Heat_index

    A given value of relative humidity causes larger increases in the heat index at higher temperatures. For example, at approximately 27 °C (81 °F), the heat index will agree with the actual temperature if the relative humidity is 45%, but at 43 °C (109 °F), any relative-humidity reading above 18% will make the heat index higher than 43 °C. [5]

  5. Washington, PA Weather - Hourly Forecasts and Local ... - AOL

    www.aol.com/weather/forecast/us/washington-12763717

    79% Humidity. 30.04 in Pressure--UV Index. 5:18PM Sunset. 5 mph F 8 km/h C Wind. 29 ° F-2 ° C Dew Point. 2 mi Visibility °F °C. Hourly 10 Days. 10AM 35 ° F 2 ° C 40% ; ... Snow to blanket ...

  6. Pittsburgh, PA Weather - Hourly Forecasts and Local ... - AOL

    www.aol.com/weather/forecast/us/pittsburgh

    77% Humidity. 30.01 in Pressure--UV ... 2AM 31 ° F-1 ° C 38% ; 3AM 32 ° F 0 ° C 41% ; 4AM 32 ° F 0 ° C 34% ; 5AM 33 ° F 1 ° C 40% ; ... Santa Ana winds will keep fire threat high until ...

  7. Strongsville, OH Weather - Hourly Forecasts and Local ... - AOL

    www.aol.com/weather/forecast/us/strongsville...

    74% Humidity. 30.11 in Pressure. ... 17 ° F-8 ° C Dew Point. 2 mi Visibility °F °C. Hourly 10 Days. 12PM 24 ° F-4 ° C 40% ; ... Los Angeles on high alert with extreme winds due to return.

  8. Dehumidifier - Wikipedia

    en.wikipedia.org/wiki/Dehumidifier

    This process works most effectively at higher ambient temperatures with a high dew point temperature. In cold climates, the process is less effective. Highest efficiency is reached above 20 °C (68 °F) and 45% relative humidity. This relative humidity value is higher if the temperature of the air is lower. [5]

  9. Everett, WA Weather - Hourly Forecasts and Local ... - AOL

    www.aol.com/weather/forecast/united-states/...

    10AM 49 ° F 9 ° C 40% ; ... Portion of Santa Cruz Wharf collapses amid high surf with 2 people rescued. ... 8-year-old girl missing, father dead after car crash in Texas flood.