Could it be too much water? Extremely wet season. Could it be mole crickets or some other pest? Have gardened for many years.
Why Leaves Are Turning Yellow on My Veggie Garden?
Certified GKH Gardening Expert
With your location and the reports I have heard of your rainfall amounts, yes, excessive rainfall is most likely the cause of your yellowing plants.
Some plants may not survive.
It is early in the season so replanting is always an option.
Best of luck.
Here is a link about this.