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Osceola County, Iowa

Gutter cleaning, repair and new gutters in Sibley, IA

Sibley gets about 30 inches of rain in a normal year, and on about 6 days a year an inch or more falls in a single day. The wettest season is summer (June to August), with about 11.8 inches; the driest is winter (December to February), with 2.6. Off a 1,000-square-foot roof, that comes to about 18,700 gallons a year for the gutters to carry.

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Sibley: rain and roofs

NOAA station USC00137664, 0 mi
30.2 in
Rain in a normal year, Sibley
NOAA normal, SIBLEY
6.3
Days with an inch or more
a year
18,700 gal
Water off 1,000 sq ft of roof in Sibley
0.62 gal per sq ft per inch
8.26 in/hr
5-minute downpour, once in 10 years
NOAA Atlas 14 Volume 8
Oct 3
First fall frost
median date
1958
Median year homes were built
ACS 2020–2024
77%
Homes built before 1980
ACS 2020–2024
Winter2.6 in
Spring8.9 in
Summer11.8 in
Fall6.9 in

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

By heavy-rain days, Sibley falls among the fewest heavy-rain days of the 290 places in Iowa on this site (6.3 a year). Its housing ranks near the middle of the 290 places in Iowa on this site (half built by 1958). By first frost it falls 12th earliest for the first fall frost of the 290 places in Iowa on this site (October 3).

When to clean gutters in Sibley

The first fall frost comes around October 3 in a typical year here, and the last spring frost around May 5 (median dates, NOAA normals). A fall cleaning set for the weeks after that frost, when the branches over the house are bare, gets the year’s leaves in one trip; a spring visit follows once the pollen and catkins have come down.

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

Gutter and downspout size for Sibley rain

Gutters are sized for the worst few minutes of a storm, not for the year. In Sibley the five-minute rain expected about once in ten years falls at 8.26 inches an hour (NOAA Atlas 14 Volume 8). At that rate one 2-by-3-inch downspout drains about 870 square feet of roof and one 3-by-4-inch downspout about 1,740, 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 Sibley

Half the homes in Sibley were built by 1958, 77% 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.

72% of households own their home, and 81% of homes are detached houses, 2% townhouses. If an association maintains the exterior, the gutters may be its job rather than yours; check before calling.

Hiring in Iowa

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

Gutter work in Sibley

With half the homes built by 1958, 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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