3 sentences

1. 今年的降水量比常年同期偏多。

   jīn​nián de jiàng​shuǐ​liàng bǐ cháng​nián tóng​qī piān duō.

   Precipitation this year is higher than the average for the same period in previous years.

   Source: Dong Chinese Dictionary

2. 今年的利润比去年同期增长了百分之五。

   jīn​nián de lì​rùn bǐ qù​nián tóng​qī zēng​zhǎng le bǎi fēn​zhī wǔ.

   This year's profit increased by five percent compared to the same period last year.

   Source: Dong Chinese Dictionary

3. 这两项活动是同期举行的。

   zhè liǎng xiàng huó​dòng shì tóng​qī jǔ​xíng de.

   These two activities were held concurrently.

   Source: Dong Chinese Dictionary