Daybreak revealed my upper lot fence resting on its side. There was a little wind, but mostly it just got tired. I remember when Dad and I built this fence.
Dad always pointed out how wooden fence posts rot off at ground level. The wood above the ground is fine and the wood below the ground is fine, but right at ground level and slightly below is where the biological activity is highest.
This is why I try to always used treated or creosote posts for my fencing, but don’t use treated wood for the horizontal boards. If the wood is off the ground and nothing is chewing on it, it will outlast the posts holding it up.
Curiousfarmer 
bummer! Another chore!Sent from my iPhone