Facts for Fancy Fruit A newsletter for commercial and advanced amateur fruit growers

Spring temperatures

May 16, 2025 - Included in Issue: 25-04

By: Peter M Hirst

I’ve been plotting growing degree days for Lafayette for the last 15 years or so. This year we continue to track earlier than usual. This is a trend that seems to be continuing each year. See Figure 1.

Figure 1. Spring temperature accumulation in Lafayette, IN over the last 15 years.

Figure 1. Spring temperature accumulation in Lafayette, IN over the last 15 years.

If you want to look at data more closely related to your location, the Indiana State Climate Office has the data freely available online:

https://ag.purdue.edu/indiana-state-climate/data/

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