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Date:
Nov-21-2024
Thursday
Day of Year:
326
Days Left:
40
Sunspots Yesterday
Sunspots
113
Southeast Weather Network
Mt. Washington Observatory
United States Weather GroupMt Washington Wx CAM
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Covington
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Ellisville
Fire Danger
39°F 85% CBI: -1
LOW
ARRL
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Rainwater Observatory

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Weather Related Conversion Calculators

Temperature Conversion

Fahrenheit ( o F )
Celsius ( o C )
Celsius ( o C )
Fahrenheit (o F)

Windchill Calculation

Temp
(o F) 		Wind
Speed
(mph)
Wind chill =
Temp
(o C) 		Wind
Speed
(mph)
Wind chill =

Relative Humidity Calculation

Temp
(°F ) 		Dew
Point
(°F)
Relative Humidity =
Temp
(°C) 		Dew
Point
(°C )
Relative Humidity =

Heat Index Calculation

Valid entries are, air temperatures greater than 80 °F ( 27 °C ), dew point temps greater than 65 °F ( 12 °C ), and relative humidities higher than 40 percent.

Temp
(°F ) 		Dew
Point
(°F)
  RH =
Temp
(°C) 		Dew
Point
(°C )
  RH =
Temp
(°F ) 		Relative
Humidity
(%)
Heat Index =
Dew Point =
Temp
(°C) 		Relative
Humidity
(%)
Heat Index =
Dew Point =
The Above Weather Calculators by Ron Murphy of the National Weather Service

Convert Barometric Pressure

Method 1


Method 2 - Enter a number into any field
Inch/Mercury Hectopascals
Millibars gm/sq cm
Atmospheres mm Mercury
Pascals Lb/sq in
      

Convert Different Latitude & Longitude Formats

Convert Deg, Min, Sec

Enter Coordinates in Deg Min Sec: DD  MM  SS 
GPS Coordinates  deg  min
Decimal Degrees

Convert Decimal Degrees

Enter a Coordinate in Decimal Degrees:   
GPS Coordinates  deg  min
DDMMSS DD  MM  SS 

Convert GPS Coordinates

Enter a Coordinate in GPS Coordinates:    deg    min
Decimal Degrees
DDMMSS DD  MM  SS 

Convert Metric and US Unit Measures

Length
Metric US
Micrometers   Inches (in)
Millimeters (mm)   Feet (ft)
Centimeters (cm)   Yards (yd)
Meters (m)   Rods (rd)
Kilometers (km)   Miles (mi)
   

Convert Common Metric & US Weight Units

Enter Quantity to Convert:
From:
 To:
Result:

Prime Number Calculator

Please enter a number:

Convert Knots to Miles per Hour

1 Knot = 1.15077944802354 Miles per Hour
  Knots

Three Percent Calculators in One

What is % of ? Answer:
 
 is what percent of ? Answer: %
 
 is % of what? Answer:

Get The Exact Sunrise and Sunset Times For Your Town

Sunrise and Sunset Calculator