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****
The barometer is used to measure air pressure while the rain gauge is used to measure the amount of rainfall.
Barometer (barometric pressure) Thermometer (temp) & rain guage (amt of rainfall in inches)
it means hot or warm.