It will stay in the gutter until it overflows causing leaky gutters and pooled water all over your home s siding entrance or garage.
Correct pitch for gutters.
Gutters play an important role in keeping your home structurally sound by directing water away from the foundation of the home.
For example for every 10 feet of gutter they need to drop 1 2 inch from the high end to the downspout.
In theory if your gutters are dead level the ice and mud wont be very deep.
If gutters slope too severely they don t hold water and water could splash over the sides in heavy rain.
Myself though i always pitch my gutters at least some minimal amount.
The amount of collected water increases until it spills over the sides of the gutter.
If the pitch is too moderate the water won t be able to reach the downspout thus.
If gutters don t slope water gathers in them.
For a 30 foot gutter thats 1 7 8 inches of crown and ive never done that much.
Had to edit my post as 1 8 is way too much.
But the correct answer is it depends.
The gutter slope also called the pitch is the amount the gutter tilts down to let rainwater flow out of it.
Gutters need to be pitched at a 5 degree angle.
This measuring must be as accurate as possible otherwise you will have one of these issues.
Gutters need to slope towards the downspouts in order to function properly.
Plus it looks nicer on the facia.