- Birds chirping
- First farmers market of the year (essentially a petting zoo)
- All the bike racks at the math department filled up in the morning
- Only one day in the next week has snow in the forecast
- Undergrads wearing flip-flops
- A swarm of six or more tow trucks clearing my street so the first street sweeper of the year could come through
Edit (May): Two days later, we had this:
Which was followed by a similar storm the next weekend, as well as snow in early May.