WIND, TEMPERATURE & PRESSURE CONVERSIONS
 Insert Temp in Fahrenheit    Insert Wind in MPH    Wind Chill is:  Wind Chill
 Insert Temp in Celsius         Fahrenheit is:    Fahrenheit
 Insert Temp in Fahrenheit      Celsius is:       Celsius
 Nautical Miles per Hour       Miles/Hour:    MPH
 Kilometers Per Hour           Miles/Hour:    MPH
 Miles Per Hour                   Kilometers:      Kilometers 
 Miles Per Hour                   Ft per Sec:     Feet/Sec
 Pressure in Millibars           Inches Merc:  Mercury
 Inches of Mercury              Millibars:        Millibars

HUMIDITY & DEGREE DAY CONVERSIONS
NOTE: The Heat Index is an approximation. With variables like ozone, it is impossible to come up with a perfect formula for Heat Index.
The minimum temperature allowed in this formula, for accuracy sake, is 75 degrees fahrenheit.

 Insert Temp in Fahrenheit   Relative Humidity       Heat Index      Heat Index 
 Insert Daily High               Insert Daily Low         Degree Days  Deg. Days
  Insert Temp in Celsius      Saturated Vapor Pressure  Vapor Pres.   Sat. Vapor
Dewpoint in Celsius          Actual Vapor Pressure  Vapor Pres.   Act. Vapor
  Insert Temp in Fahrenheit   Saturated Vapor Pressure  Vapor Pres.   Sat. Vapor
Dewpoint in Fahrenheit       Actual Vapor Pressure  Vapor Pres.   Act. Vapor
Saturated Vapor Pres.     Actual Vapor Pres.   Rel Humidity  Humidity
  Insert Temp in Celsius      Relative Humidity       Dewpoint       Dewpoint
 Insert Temp in Fahrenheit   Relative Humidity       Dewpoint       Dewpoint

 

  T E M P E R A T U R E  (°F)    
    40 35 30 25 20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35 -40 -45    
  5 36 31 25 19 13 7 1 -5 -11 -16 -22 -28 -34 -40 -46 -52 -57 -63    
W 10 34 27 21 15 9 3 -4 -10 -16 -22 -28 -35 -41 -47 -53 -59 -66 -72    
I 15 32 25 19 13 6 0 -7 -13 -19 -26 -32 -39 -45 -51 -58 -64 -71 -77    
N 20 30 24 17 11 4 -2 -9 -15 -22 -29 -35 -42 -48 -55 -61 -68 -74 -81    
D 25 29 23 16 9 3 -4 -11 -17 -24 -31 -37 -44 -51 -58 -64 -71 -78 -84    
S 30 28 22 15 8 1 -5 -12 -19 -26 -33 -39 -46 53 -60 -67 -73 -80 -87    
P 35 28 21 14 7 0 -7 -14 -21 -27 -34 -41 -48 -55 -62 -69 -76 -82 -89    
E 40 27 20 13 6 -1 -8 -15 -22 -29 -36 -43 -50 -57 -64 -71 -78 -84 -91    
E 45 26 19 12 5 -2 -9 -16 -23 -30 -37 -44 -51 -58 -65 -72 -79 -86 -93    
D 50 26 19 12 4 -3 -10 -17 -24 -31 -38 -45 -52 -60 -67 -74 -81 -88 -95    
MPH 55 25 18 11 4 -3 -11 -18 -25 -32 -39 -46 -54 -61 -68 -75 -82 -89 -97    
  60 25 17 10 3 -4 -11 -19 -26 -33 -40 -48 -55 -62 -69 -76 -84 -91 -98    
                                           
  Frostbite Times

 

 

  30 Minutes

  

  10 Minutes

  

  5 Minutes

        

Source - National Weather Service 11/01/01