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Sioux County, Iowa

Gutter cleaning, repair and new gutters in Alton, IA

A normal year in Alton brings about 28 inches of rain; on roughly 7 of its days, an inch or more comes down at once. The wettest season is summer (June to August), with about 10.9 inches; the driest is winter (December to February), with 2.5. Every 1,000 square feet of roof sheds about 17,600 gallons a year, and all of it goes through the gutters.

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Alton: rain and roofs

NOAA station USC00130181, 1 mi
28.3 in
Rain in a normal year, Alton
NOAA normal, ALTON
6.5
Days with an inch or more
a year
17,600 gal
Water off 1,000 sq ft of roof in Alton
0.62 gal per sq ft per inch
7.97 in/hr
5-minute downpour, once in 10 years
NOAA Atlas 14 Volume 8
Oct 3
First fall frost
median date
1968
Median year homes were built
ACS 2020–2024
69%
Homes built before 1980
ACS 2020–2024
Winter2.5 in
Spring8.4 in
Summer10.9 in
Fall6.5 in

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

For days with an inch of rain or more, Alton ranks among the fewest heavy-rain days of the 290 places in Iowa on this site (6.5 a year). By the age of its homes it sits near the middle of the 290 places in Iowa on this site (half built by 1968). The first frost here ranks 12th earliest for the first fall frost of the 290 places in Iowa on this site (October 3).

When to clean gutters in Alton

The first fall frost comes around October 3 in a typical year here, and the last spring frost around April 30 (median dates, NOAA normals). Plan the fall visit for after the frost, when the trees over the roof have finished dropping, and the spring visit for after the pollen and catkins.

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

Gutter and downspout size for Alton rain

Gutters are sized for the worst few minutes of a storm, not for the year. In Alton the five-minute rain expected about once in ten years falls at 7.97 inches an hour (NOAA Atlas 14 Volume 8). At that rate one 2-by-3-inch downspout drains about 900 square feet of roof and one 3-by-4-inch downspout about 1,810, 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.

The houses in Alton

Half the homes in Alton were built by 1968, 69% before 1980 (ACS 2020–2024). At that age a gutter has seen decades of leaves and storms, and the fascia it hangs from has too. 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.

85% of households own their home, and 78% of homes are detached houses, 4% townhouses. Where an HOA governs the exterior, its rules on gutter color and style apply before any order is placed.

Hiring in Iowa

Before hiring in Alton, ask which Iowa license or registration the contractor holds and for a certificate of liability insurance. Hiring a gutter contractor

Gutter work in Alton

With half the homes built by 1968, replacement gutters and the fascia behind them come up more often here than in newer suburbs. The line takes all of it:

Nearby

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