May I ask: April 2023: How many cold waves are there in Xinjiang? respectively are

In April 2023, there were two cold waves in Xinjiang, from April 2 to April 7, and from April 16 to April 20. Details are as follows:

1, April 2-April 7: The first round of cold wave in Xinjiang in April, with the lowest temperature of MINUS 2 degrees and the highest temperature of 7 degrees.

2.416-April 20th: The second round of cold wave in April in Xinjiang, with the lowest temperature of 0 degrees and the highest temperature of 7 degrees.