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City of Johns Creek

Gutter cleaning, repair and new gutters in Johns Creek, GA

Metro Atlanta weather, Johns Creek edition: 56 inches of rain in an average year and 18 days with an inch or more. Summer (June to August) is the wettest stretch (15.1 in). A modest 1,000-square-foot roof here sends 34,900 gallons a year down its downspouts.

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Johns Creek: rain and roofs

NOAA station USC00096407, 6 mi
56.3″
Johns Creek: yearly rain
NORCROSS station
17.9
Inch-plus rain days
per year
34,900
Roof runoff, Johns Creek
gallons per 1,000 sq ft a year
7.93″/hr
Design burst
5 min, 10-year (Atlas 14)
Nov 9
Frost arrives
median first fall frost
1995
Typical house built
median, Census ACS
4%
Pre-1980 houses
Census ACS
Winter14.9 in
Spring13.3 in
Summer15.1 in
Fall13.0 in

Bars to one scale; the longest is summer (June to August).

Among metro places, Johns Creek is 1st for heavy-rain days of the 76 places on this site (17.9 a year) for inch-plus rain days. House age: near the middle of the 76 places on this site (half built by 1995). Frost timing: near the middle of the 76 places on this site (November 9).

Cleanout calendar

Median frost dates for Johns Creek: first in fall about November 9, last in spring about March 25 (NOAA). Fall cleanout after the frost, spring cleanout after the pollen: two visits cover most Atlanta yards with trees.

More on the timing, and on how the trees over a roof change it: when to clean gutters in metro Atlanta.

Downpours and downspouts

Atlanta thunderstorms are the real test. For Johns Creek, NOAA Atlas 14 puts the ten-year, five-minute burst at 7.93 inches an hour. Using the Copper Development Association rule, that means roughly 910 sq ft of roof per 2×3 downspout, or 1,820 sq ft per 3×4.

Work out your own roof with the gutter size calculator, which uses this figure for Johns Creek.

Johns Creek’s houses

The typical house in Johns Creek dates to 1995, and 4% predate 1980 (Census ACS). Plenty of these houses are due for new gutters, and the fascia boards deserve a look at the same time.

Owners occupy 80% of homes; 77% are single-family detached and 8% attached. In HOA neighborhoods, ask the association first.

Runoff, drains and the county

Johns Creek is an incorporated city, so questions about street drains, ditches and runoff start with the city’s public works office; Fulton County answers for the unincorporated areas around it. A downspout that empties against the house undoes the gutter’s work; extend it or carry it away. Downspouts and drainage

Common calls from Johns Creek

17.9 inch-plus days a year expose clogs and short downspouts fast.

Next door

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