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Ozaukee County, Wisconsin

Gutter cleaning, repair and new gutters in Grafton, WI

Grafton gets about 35 inches of rain in a normal year, and on about 9 days a year an inch or more falls in a single day. The wettest season is summer (June to August), with about 11.5 inches; the driest is winter (December to February), with 5.4. That is about 21,600 gallons a year off each 1,000 square feet of roof, every drop of it through a gutter and a downspout.

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Grafton: rain and roofs

NOAA station USC00477581, 4 mi
34.9 in
Rain in a normal year, Grafton
NOAA normal, SAUKVILLE WWTP
8.7
Days with an inch or more
a year
21,600 gal
Water off 1,000 sq ft of roof in Grafton
0.62 gal per sq ft per inch
7.10 in/hr
5-minute downpour, once in 10 years
NOAA Atlas 14 Volume 8
Oct 24
First fall frost
median date
1986
Median year homes were built
ACS 2020–2024
43%
Homes built before 1980
ACS 2020–2024
Winter5.4 in
Spring9.8 in
Summer11.5 in
Fall8.2 in

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

Counting days with an inch of rain or more, Grafton sits 75th for heavy-rain days of the 386 places in Wisconsin on this site (8.7 a year). Its housing ranks among the newest by median year built of the 387 places in Wisconsin on this site (half built by 1986). By its first fall frost it sits among the latest for the first fall frost of the 387 places in Wisconsin on this site (October 24).

When to clean gutters in Grafton

The first fall frost comes around October 24 in a typical year here, and the last spring frost around April 23 (median dates, NOAA normals). Booking the fall cleaning after the first frost, once the trees over the roof are bare, catches the season’s drop in one visit; the spring cleaning comes after the pollen and catkins are down.

When to clean gutters explains how the trees over a roof change the schedule.

Gutter and downspout size for Grafton rain

The short, hard downpour is what a gutter is sized for. In Grafton the five-minute rain expected about once in ten years falls at 7.10 inches an hour (NOAA Atlas 14 Volume 8). At that rate one 2-by-3-inch downspout drains about 1,010 square feet of roof and one 3-by-4-inch downspout about 2,030, by the rule in the Copper Development Association’s design handbook. Try your own roof in the gutter and downspout calculator, which starts from this figure.

With about 42 inches of snow in a normal year here (NOAA normals), gutters carry ice as well as water. Ice dams start with heat from the house melting roof snow that refreezes at the edge (University of Minnesota Extension); the fix for the dam is in the attic, and the gutter’s part is to be hung strongly enough to take the weight.

The houses in Grafton

Half the homes in Grafton were built by 1986, 43% before 1980 (ACS 2020–2024). Houses that age have often had their gutters replaced once already; if not, the original runs and the boards behind them deserve a close look. On a house built before 1978, replacing more than 20 square feet of painted fascia or trim falls under the EPA’s lead-safe rule, so ask whether the crew is certified.

63% of households own their home, and 48% of homes are detached houses, 13% townhouses. In a townhouse or HOA community, check who owns the gutters and what colors are allowed before booking.

Hiring in Wisconsin

Licensing for gutter work differs from state to state; ask a contractor in Grafton which license or registration they hold in Wisconsin, and for proof of liability insurance. Hiring a gutter contractor

Gutter work in Grafton

In a neighborhood with half its homes built by 1986, the usual calls are cleaning, guards and small repairs. The line takes all of it:

Nearby

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