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Q: What does the number mean for barometer readings?
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What was the barometer readings for this week?

You need to specify where.


What was the barometer readings for this week in downey ca 90242?

74


Why do pilots get more accurate readings when they adjust a barometer for the current temperature and and humidity?

the answer is yes


Why must a barometer be place where are no temperature extremes?

The height of the mercury column is used to measure atmospheric pressure. If the barometer is also subjected to high temperatures, the thermal expansion of the mercury column will indicate a higher pressure than is really the case. This will make the barometer readings useless.


What happens when readings on a barometer fall?

The weight of air above you is decreasing, you are being affected by an atmospheric cyclone, OR you are climbing up a mountain.


What measures a barometer with Mercury?

Maybe you mean what does a mercury barometer measure. In which case the answer is atmospheric pressure.


Mercury barometer means you will have what kind of day?

A mercury barometer is an instrument which can be used to forecast the weather. The fact that there is a barometer does not affect the weather. You need to see what the barometer shows and interpret it.


When the bottom number is high does that mean that the heart is beating to fast?

I take it you mean on your blood pressure readings? The bottom number is the pressure the blood is returning to the heart.


Does barometer falling mean measures the air temperature?

No, a barometer measures air pressure, not temperature. A falling barometer generally signifies unsettled or stormy weather coming in.


What does precision mean as it relates to scientific measurement?

Precision refers to how close the values in a set of data are with respect to each other. An indication of precision is given by the mean deviation from the mean of a set of readings (Standard deviation also will do): Mean deviation from mean = Summation (Modulus(X - mean)) / n where X denotes the individual readings and n is the number of readings taken. A small mean deviation from mean indicates high precision.


What is the diaprahm and belows instrument?

Do you mean the old barometer?


What does it mean if the arrow on a barometer rises?

it means it is going to rain