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- Location
- ¾ mile WNW of Apache Trail and Ellsworth Rd. in east Mesa, Arizona
- 33° 25' 9" N , 111° 38' 42" W elevation 1518 ft.
- Most weather info on this web site comes from sensors located
- at my home in Twin Knolls neighborhood, east Mesa, Arizona.
- The county weather is provided by Maricopa County, and the state
- weather is provided by the National Weather Service in Phoenix.
- The current weather is usually updated every 30 minutes.
- I'm a co-operative observer for the National Weather Service and
- report daily temperature and rainfall data for east Mesa.
- Co-op ID : 02-2782-06
- NWS Station ID : EMSA3
- NWS Station Name : East Mesa
- Weather Instruments
- The temperature and humidity sensors are suspended 5 feet above ground
- in a former NWS weather shelter located about 25 feet from my house.
- A Rainwise WS1000CC Weather Station is the source
- for all web site temperature, humidity, and wind data.
- A P266 Toshiba Tecra 550 monitors the weather station and updates the website.
- The software used to read data from the weather station, create the HTML files
- and graphics, and upload them to the website was written by me using
- Quick Basic 5, Visual Basic 6, and Transoft Script Performer.
- A 12" mercury thermometer is used annually to verify temperature calibration.
- Anemometer
- Wind speed and direction are measured at the highest point on the roof.
- Rain Gauge
- National Weather Service rain gauge.
- 8 inch collector - resolution 0.01"
- This gauge is used for all daily rainfall totals
- Rainwise WS1000CC
- 8 inch collector size - resolution 0.01"
- It's the source for all web site current rainfall ammounts.
- This gauge is very accurate, but it will sometimes add .01" of rain
- when there is a heavy morning dew. It may not be accurate when
- rainfall is very heavy. For these reasons real time rainfall totals
- should not be considered exact measures of total rainfall.
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