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Iroquois County, Illinois

Gutter cleaning, repair and new gutters in Gilman, IL

Gilman gets about 44 inches of rain in a normal year, and on about 11 days a year an inch or more falls in a single day. The wettest season is summer (June to August), with about 13.6 inches; the driest is winter (December to February), with 9.2. That is about 27,500 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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Gilman: rain and roofs

NOAA station USC00116819, 10 mi
44.4 in
Rain in a normal year, Gilman
NOAA normal, PIPER CITY
11.4
Days with an inch or more
a year
27,500 gal
Water off 1,000 sq ft of roof in Gilman
0.62 gal per sq ft per inch
7.61 in/hr
5-minute downpour, once in 10 years
NOAA Atlas 14 Volume 2
Oct 20
First fall frost
median date
1955
Median year homes were built
ACS 2020–2024
89%
Homes built before 1980
ACS 2020–2024
Winter9.2 in
Spring11.9 in
Summer13.6 in
Fall9.8 in

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

Counting days with an inch of rain or more, Gilman sits 96th for heavy-rain days of the 695 places in Illinois on this site (11.4 a year). By house age it falls 90th oldest by median year built of the 695 places in Illinois on this site (half built by 1955). By first frost it falls near the middle of the 695 places in Illinois on this site (October 20).

When to clean gutters in Gilman

The first fall frost comes around October 20 in a typical year here, and the last spring frost around April 25 (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 Gilman rain

The short, hard downpour is what a gutter is sized for. In Gilman the five-minute rain expected about once in ten years falls at 7.61 inches an hour (NOAA Atlas 14 Volume 2). At that rate one 2-by-3-inch downspout drains about 950 square feet of roof and one 3-by-4-inch downspout about 1,890, 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 Gilman

Half the homes in Gilman were built by 1955, 89% 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.

78% of households own their home, and 86% 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 Illinois

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

Gutter work in Gilman

With half the homes built by 1955, 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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