The following are just a few of the possibilities. For more ideas and information on the advance of spring across the US, visit Journey North .
Plants Keep a record of when various plants begin to flower.
Plant some cool weather crops such as peas and cabbage. Record when different trees leaf out. Animals Keep a record of when you hear various birds singing, when the spring peepers and other frogs begin to call. Sky and Weather Phenomena Look up why spring begins at a specific date and time. Make a record of the first thunder heard this spring.