Here are your pictures...

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Can you take one more picture? Take it from a distance of about 3 inches away from the blades so I can see the shape of the tip of the grass. And if you can include some of the dead looking grass in the picture, that could be helpful. Also if you are using your cell phone to take the pictures, please wipe the grease off the camera lens with a t-shirt or something soft right before you take the picture.

Centipede should love your pH. Is there any shade over the area?

Have you fertilized with anything? If so, what and when?

How often do you water to get your inch per week? Have you verified it is an inch by using tuna or cat food cans to collect it?

Thank you for the reply.

I will take a close up this afternoon, and I'll be sure to clean the lens.

I fertilized three weeks ago with Scotts Winterguard. This was the first time it has been fertilized. I will be fertilizing again in the spring.

I water for 45-55 minutes per week. My schedule does not allow my watering schedule to be consistent so it may be a little less than that. I have put a bowl out, and it appears to be around an inch or so, but it could be less.. I have purchased a rain gauge for a more exact measurement the next time I water.

Thanks again for your help.
I have the pictures.

Also I meant to mention that there is hardly any shade. It is in the sun for most of the day.

My entire yard is getting like this. The front yard, back yard, and the sides are all having this same problem.

Here is the other picture I took.