Traditional Culture Encyclopedia - Weather inquiry - What's the change in the weather?
What's the change in the weather?
2. Swallows fly low: Swallows feed on small insects. Before it rains, the air pressure is low and the air humidity is high. The wings of insects become very heavy, because they can't fly very high because of humidity. Swallows have to fly very low to catch them. Therefore, there is a folk saying that "the swallow flies low and it will rain".
3, small fish breathable: the fish in the pond suddenly floated to the surface of the water, as if inhaling in a big mouth. This means that it is going to rain. The reason is that fish need to absorb oxygen from the water, and when it rains, the air pressure is low, and the amount of air in the water decreases. The fish can't stand it, so they float.
4, puppy breathing: before it rains, the dog will shrink into a ball on the haystack and use its mouth as a heater.
5. Toads come out of the hole: because the skin is brittle, I am afraid of dryness. So in general, you can only see toads croaking at night. If it rains, they will go out to play in caves.
6. Earthworms on the road: Small earthworms live in wet places. If earthworms can come out to move, it means that the air is already wet. Pay attention to the rain at this time.
7, chickens do not enter the nest: chickens are afraid of heat because there are no sweat glands, especially before it rains in summer. If the chickens are driven into the nest, they still stay in the shade, which means it will rain heavily soon.
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