| A | B |
|---|
| Temperature tool | Thermometer |
| Pressure tool | Barometer |
| Wind tool | Anemometer |
| Humidity tool | Hygrometer |
| Temperature Units | Degrees Celcius (or farenheit in the US) |
| Precipitation tool | Rain Gauge |
| Pressure units | mm Hg (millimeters of Mercury) |
| Wind Units | km/hr (miles per hour in US) |
| Humidity Units | Percent of water vapor in the air relative to what the air can hold |
| Precipitation Units | cm (or inches fallen, in the US) |
| Description of Temperature | Amount heat in the air |
| Description of Pressure | Weight of the air |
| Description of Wind | Speed of moving air |
| Description of Humidity | Amount of moisture in the air |
| Description of Clouds | Condensed moisture in the air |
| Description of Precipitation | Falling moisture (snow, rain, sleet, hail, etc.) |
