Please help ID what's killing my lawn
It is a perennial rye, fescue, KBG mix that I seeded a couple years ago. Looks great every spring, then as summer goes on it starts to die off. We've had lots of rain this year so I haven't been watering much, but the same thing happened when I watered last year. It's been cut at 3 1/2 - 4", it is now down to 3" in the pictures.
Here's a before picture of my little guy enjoying dad's awesome lawn from earlier this spring:
Closeup of the problem...you can see how some blades are starting to go, others dead, and some nice and green:
Thanks in advance, let me know if more info is needed.