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Gutter cleaning, repair and new gutters in Blue Island, IL

Rain in Blue Island adds up to about 41 inches in a normal year, with about 10 days that bring an inch or more. The wettest season is summer (June to August), with about 12.7 inches; the driest is winter (December to February), with 6.8. That is about 25,300 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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Blue Island: rain and roofs

NOAA station USC00111577, 7 mi
40.9 in
Rain in a normal year, Blue Island
NOAA normal, CHICAGO MIDWAY AP 3SW
9.5
Days with an inch or more
a year
25,300 gal
Water off 1,000 sq ft of roof in Blue Island
0.62 gal per sq ft per inch
7.49 in/hr
5-minute downpour, once in 10 years
NOAA Atlas 14 Volume 2
Nov 1
First fall frost
median date
1961
Median year homes were built
ACS 2020–2024
72%
Homes built before 1980
ACS 2020–2024
Winter6.8 in
Spring11.6 in
Summer12.7 in
Fall9.9 in

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

For days with an inch of rain or more, Blue Island ranks near the middle of the 695 places in Illinois on this site (9.5 a year). By the age of its homes it sits near the middle of the 695 places in Illinois on this site (half built by 1961). By its first fall frost it sits among the latest for the first fall frost of the 695 places in Illinois on this site (November 1).

When to clean gutters in Blue Island

The first fall frost comes around November 1 in a typical year here, and the last spring frost around April 10 (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 Blue Island rain

What overwhelms a gutter is a burst, not a season. In Blue Island the five-minute rain expected about once in ten years falls at 7.49 inches an hour (NOAA Atlas 14 Volume 2). At that rate one 2-by-3-inch downspout drains about 960 square feet of roof and one 3-by-4-inch downspout about 1,920, 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.

Blue Island averages about 39 inches of snow a year (NOAA normals). Snow on a roof brings ice dams: heat escaping from the house melts the snow, and the water refreezes at the cold eave, in the gutter and over it. University of Minnesota Extension puts the cause in the attic, not in the gutter, so a gutter that fills with ice is a symptom; hangers spaced to carry ice and a sound fascia are what the gutter itself needs.

The houses in Blue Island

Half the homes in Blue Island were built by 1961, 72% before 1980 (ACS 2020–2024). In a neighborhood that age, many houses are on their second set of gutters or due for one, and the fascia board behind them is worth checking at the same visit. 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.

49% of households own their home, and 44% of homes are detached houses, 4% townhouses. In a townhouse or HOA community, check who owns the gutters and what colors are allowed before booking.

Hiring in Illinois

Ask any contractor working in Blue Island what Illinois requires of them for gutter work, and to show proof of insurance. Hiring a gutter contractor

Gutter work in Blue Island

With half the homes built by 1961, 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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