Valid entries are, air temperatures greater than 80 ☏ ( 27 ☌ ), dew point temperatures greater than 65 ☏ ( 12 ☌ ), and relative humidities higher than 40 percent.Įnter in the air temperature ( T air ) and the dew point temperature ( T dp ) in degrees Celsius, then click on the Calculate HI to compute the heat index ( HI).Įnter in the air temperature ( T air ) the dew point temperature ( T dp ) in degrees Fahrenheit, then click on the Calculate HI to compute the heat index ( HI).Įnter in the air temperature ( T air ) in degrees Celsius and relative humidity ( RH ) in percent ( without the % sign ), then click on the Calculate HI to compute the heat index ( HI ).Įnter in the air temperature ( T air ) in degrees Fahrenheit and relative humidity ( RH ) in percent ( without the % sign ), then click on the Calculate HI to compute the heat index ( HI ).
Relative Humidity Calculation using degrees CelsiusĮnter in the air temperature ( T air ) and dew point temperature ( T dp) in degrees Celsius ( oF ) then click on the Calculate RH to compute the relative humidity ( RH ). Relative Humidity Calculation using degrees FahrenheitĮnter in the air temperature ( T air ) and dew point temperature ( T dp) in degrees Fahrenheit ( oF ) then click on the Calculate RH to compute the relative humidity ( RH ). Graduate Astronomy, Astrophysics, Astrochemistry, Astrobiology & Cosmology Courses, Textbooks. Undergraduate Astronomy, Astrophysics, Astrobiology & Cosmology Courses, Lectures, etc. Locality Reports - describes planet lines, local space lines and applicable parans for anywhere in the world. Computed times of sunrise, sunset, moonrise, moonset and twilight, moon phases and other astronomical data are. Astronomy & Astrophysics Picture of the Day/Week. Planet and Local Space Lines (specify either or both) on Map (world, U.S., any continent) - 10 color maps - 15. Therefore, the NWS does not record, certify, or authenticate astronomical data. Naval Observatory (USNO) computes astronomical data. Wind Chill/Temperature Index Calculation in degrees CelsiusĮnter in the air temperature ( T air ) in degrees Celsius and wind speed in miles per hour, then click on the Calculate WC to compute the windchill ( WC ). The expected completion of the work and return of service is estimated as 30 April 2020. Wind Chill/Temperature Index Calculation in degrees FahrenheitĮnter in the air temperature ( T air ) in degrees Fahrenheit and wind speed in mile per hour ( mph ), then click on the Calculate WC to compute the windchill ( WC ).įor more information about windchill (ie. Temperature Conversion Enter a number then click on the appropriate number to see the result. Great thanks to Ron Murphy of WFO Binghamton NY for writing all of the code used on this page!įor more information about the indices and equations used
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