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sci.geo.meteorology (Meteorology) (sci.geo.meteorology) For the discussion of meteorology and related topics. |
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Hi guys,
I'm working on an automotive project where while driving I collect weather data along the route. It's all very experimental and my task is to "do something creative" with the data. I can retrieve the following weather information: - temperature - humidity - pressure - brigthness The first three are pretty straightforward but I don't know how the brightness is really measured, this is what the weather sensor manufacturer's website says: "Ambient light level is an analog level relative to exposed visible light. It is a number from 1 to 1023 (10-bit ADC) where 1 is very bright and 1023 is very dark. In high daylight the number is 10-200. Indoors the level is 800-900. The sensor returns a reading greater than 1000 in low-light conditions." (http://www.sparkfun.com/ datasheets/Sensors/Pressure/USBWeatherBoard-v2.pdf) The weather and position data is aggregated and averaged every 5 seconds and then sent as a set of 20 data sets after a 100 seconds. One idea is to present the current weather to the user. This will be easy if I have very recent data. My question is though, is there some sort of a threshold value in means of time, like after what time since my latest data set is it likely that my weather data is not accurate (I'm kind of asking what's the fastest rate at which weather can change?). My other question is, what can I do with the weather data I have at disposal? What kind of values can I calculate from it? Your suggestions are appreciated! Lex |
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