Weather

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Across
  1. 2. a line on a map connecting points having the same atmospheric pressure
  2. 5. an instrument for measuring the humidity
  3. 6. the weather conditions prevailing in an area in general or over a long period
  4. 7. an instrument measuring atmospheric pressure
  5. 9. an instrument for measuring and indicating temperature
Down
  1. 1. a line drawn on a map or chart joining points with the same temperature
  2. 3. the state of the atmosphere, including temperature, atmospheric pressure, wind, humidity, precipitation, and cloud cover
  3. 4. a transition zone between two different air masses at the Earth's surface
  4. 8. an instrument for measuring the speed of the wind