Is it cold in early spring a few years ago or a few years later?

A few years later, it was very cold in early spring. It's warm in early spring and cold in late spring. In early spring, the temperature difference between day and night is large, and cold air activities are frequent. The biggest feature of beginning of spring's climate is that it warms first and then cools: one is the large temperature difference between day and night, and the other is the frequent cold air activities.

Beginning of spring (202 1) is the first of the 24 solar terms, which means the beginning of spring and the beginning of a year. In spring, due to the invasion of cold air, the temperature often drops significantly. It is often sunny during the day, which makes people feel "warm wind intoxicating", but it is chilly in the morning and evening, which makes people feel "chilly in spring".

Extended data

Three iconic phenology of beginning of spring:

As soon as the east wind thaws, that is, the east wind warms, the earth begins to thaw, and everything begins to recover;

When the sting insect starts to vibrate, the dormant insect in the cave gradually wakes up;

After three times, the fish lost the ice, the ice in the river began to melt, and the fish began to swim on the water. At this time, there are still some broken borneol on the water, which seems to have been floated on the water by fish.

People's Daily Online-beginning of spring: I feel that my career is very fulfilling.