it goes up. :D
The barometer measures atmospheric pressure.
you measure it with a barometer, or a rain gauge.
it means it is going to rain
Quite possibly a barometer.
during cold weather like rain storms or snow storms the barometer goes down. During warm weather the barometer goes up.
Nothing
The air pressure is rising.
A falling barometer typically indicates that bad weather, such as rain or storms, may be approaching. Conversely, a rising barometer usually signifies improving weather conditions.
Descride the weather instrument Anemometer and Barometer and rain guage measures wind speed anemometer/measures air pressure Barometer/measures rain fall amounts Rain guage/And all of those are science weather instruments but that is not all of them but that is all I know****
Barometer (barometric pressure) Thermometer (temp) & rain guage (amt of rainfall in inches)
it means hot or warm.
The barometer is used to measure air pressure while the rain gauge is used to measure the amount of rainfall.