human
What are some of the most common signs of spring?
assistant
1. Trees and plants begin to bud out, signaling that warmer weather is on its way.
2. The days become noticeably longer as the sun rises higher in the sky each day.
3. Birds start to return from their winter homes in search of food and mates.
4. Snow begins to melt and streams and rivers begin to run again.
5. Temperatures rise steadily throughout the day, with warm air temperatures often reaching into the 80s or even 90s by late afternoon.