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science vocab

Climate the average weather conditions in an area over a long period of time
Humidity the amount of water vapor in the air
Relative Humidity the ratio of the amount of water vapor in the air to the maximum amount of water vapor the air can hold at a set temperature
Cumulus clouds large puffy clouds that usually indicate fair weather. Thick, dark Cumulus Clouds may bring rain or snow.
Stratus Clouds long flat dark clouds that normally bring rain or snow.
Cirrus clouds are thin and icy.  They indicate more clouds may be coming in several days.
Barometer instrument for measuring atmospheric pressure, that is, the force exerted on a surface of unit area by the weight of atmosphere.