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The undeniable relationship between temperature and humidity

It's fascinating to observe the undeniable relationship between temperature and humidity inside a tent. -6 degrees Celsius outside. 40 degrees Celsius inside the tent. .😁😇.

From left. The difference between ouside and inside temperature. The temperature in the tent from starting up the stove 19:15 until 20:45. To the right. The corresponding humidity. 

Watching humidity is interesting, especially at the beginning of this measurement. It seems that when the snow around the tent melts, it causes a unique and unexpected pattern in humidity. The melting snow ouside the tent appears to interact with the surroundings, influencing how humidity behaves in a way that's generates the somewhat unexpected diagram to the right. As seen on the diagram.: The humidity initially drops as the temperature increases, then it goes up before eventually decreasing consistently.

The diagrams clearly shows when temperature rises, the air's capacity to hold moisture also increases. This phenomenon is known as the saturation point. As the air warms up, it can retain more water vapor before reaching saturation. Consequently, the relative humidity, which is the ratio of the actual amount of moisture in the air to the maximum amount it can hold at that temperature, decreases.

In simpler terms, when it gets warmer, the air can hold more water vapor without feeling "saturated." So, even if the absolute amount of moisture remains constant, the relative humidity decreases because the air has a higher capacity for moisture at higher temperatures. This is a common relationship observed in meteorology and explains why, generally, hotter conditions are associated with lower relative humidity.